### Index * [ABAP](#abap) * [Ada](#ada) * [Agda](#agda) * [Alef](#alef) * [Android](#android) * [APL](#apl) * [Arduino](#arduino) * [ASP.NET](#aspnet) * [Assembly Language](#assembly-language) * [Non-X86](#non-x86) * [AutoHotkey](#autohotkey) * [Autotools](#autotools) * [Awk](#awk) * [Bash](#bash) * [Basic](#basic) * [BETA](#beta) * [Blazor](#blazor) * [C](#c) * [C#](#c-sharp) * [C++](#c-1) * [Chapel](#chapel) * [Cilk](#cilk) * [Clojure](#clojure) * [COBOL](#cobol) * [CoffeeScript](#coffeescript) * [ColdFusion](#coldfusion) * [Component Pascal](#component-pascal) * [Cool](#cool) * [Coq](#coq) * [Crystal](#crystal) * [CUDA](#cuda) * [D](#d) * [Dart](#dart) * [DB2](#db2) * [Delphi / Pascal](#delphi--pascal) * [DTrace](#dtrace) * [Eiffel](#eiffel) * [Elasticsearch](#elasticsearch) * [Elixir](#elixir) * [Ecto](#ecto) * [Phoenix](#phoenix) * [Elm](#elm) * [Emacs](#emacs) * [Embedded Systems](#embedded-systems) * [Erlang](#erlang) * [ESP8266](#esp8266) * [F#](#f-sharp) * [Firefox OS](#firefox-os) * [Flutter](#flutter) * [Force.com](#forcecom) * [Forth](#forth) * [Fortran](#fortran) * [FreeBSD](#freebsd) * [Git](#git) * [Go](#go) * [Graphical user interfaces](#graphical-user-interfaces) * [Graphics Programming](#graphics-programming) * [GraphQL](#graphql) * [Groovy](#groovy) * [Gradle](#gradle) * [Grails](#grails) * [Spock Framework](#spock-framework) * [Hack](#hack) * [Hadoop](#hadoop) * [Haskell](#haskell) * [Haxe](#haxe) * [HTML / CSS](#html--css) * [Bootstrap](#bootstrap) * [Tailwindcss](https://tailwindcss.com/docs) - Adam Wathan * [HTTP](#http) * [Icon](#icon) * [Idris](#idris) * [iOS](#ios) * [IoT](#iot) * [Isabelle/HOL](#isabellehol) * [J](#j) * [Java](#java) * [Codename One](#codename-one) * [JasperReports](#jasperreports) * [Spring](#spring) * [Spring Boot](#spring-boot) * [Spring Data](#spring-data) * [Spring Security](#spring-security) * [Wicket](#wicket) * [JavaScript](#javascript) * [Angular.js](#angularjs) * [Aurelia](#aurelia) * [Backbone.js](#backbonejs) * [Booty5.js](#booty5js) * [D3.js](#d3js) * [Dojo](#dojo) * [Elm](#elm) * [Ember.js](#emberjs) * [Express.js](#expressjs) * [Ionic](#ionic) * [jQuery](#jquery) * [meteor](#meteor) * [Node.js](#nodejs) * [Om](#om) * [React](#react) * [React Native](#react-native) * [Redux](#redux) * [Vue.js](#vuejs) * [Jenkins](#jenkins) * [Julia](#julia) * [Kotlin](#kotlin) * [Language Agnostic](#language-agnostic) * [Algorithms & Data Structures](#algorithms--data-structures) * [Artificial Intelligence](#artificial-intelligence) * [Cellular Automata](#cellular-automata) * [Cloud Computing](#cloud-computing) * [Competitive Programming](#competitive-programming) * [Compiler Design](#compiler-design) * [Computer Science](#computer-science) * [Computer Vision](#computer-vision) * [Containers](#containers) * [Database](#database) * [Datamining](#datamining) * [Information Retrieval](#information-retrieval) * [Licensing](#licensing) * [Machine Learning](#machine-learning) * [Mathematics](#mathematics) * [Mathematics For Computer Science](#mathematics-for-computer-science) * [Misc](#misc) * [MOOC](#mooc) * [Networking](#networking) * [Open Source Ecosystem](#open-source-ecosystem) * [Operating Systems](#operating-systems) * [Parallel Programming](#parallel-programming) * [Partial Evaluation](#partial-evaluation) * [Professional Development](#professional-development) * [Programming Paradigms](#programming-paradigms) * [Regular Expressions](#regular-expressions) * [Reverse Engineering](#reverse-engineering) * [Security](#security) * [Software Architecture](#software-architecture) * [Standards](#standards) * [Theoretical Computer Science](#theoretical-computer-science) * [Web Performance](#web-performance) * [LaTeX / TeX](#latex--tex) * [LaTeX](#latex) * [TeX](#tex) * [Limbo](#limbo) * [Linux](#linux) * [Lisp](#lisp) * [Livecode](#livecode) * [Lua](#lua) * [Make](#make) * [Markdown](#markdown) * [Mathematica](#mathematica) * [MATLAB](#matlab) * [Maven](#maven) * [Mercurial](#mercurial) * [Mercury](#mercury) * [Meta-Lists](#meta-lists) * [Modelica](#modelica) * [MySQL](#mysql) * [Neo4J](#neo4j) * [.NET Framework](#net-framework) * [Nim](#nim) * [NoSQL](#nosql) * [Oberon](#oberon) * [Objective-C](#objective-c) * [OCaml](#ocaml) * [Octave](#octave) * [OpenMP](#openmp) * [OpenResty](#openresty) * [OpenSCAD](#openscad) * [Perl](#perl) * [PHP](#php) * [CakePHP](#cakephp) * [CodeIgniter](#codeigniter) * [Drupal](#drupal) * [Laravel](#laravel) * [Symfony](#symfony) * [Zend](#zend) * [PicoLisp](#picolisp) * [PostgreSQL](#postgresql) * [PowerShell](#powershell) * [Processing](#processing) * [Prolog](#prolog) * [Constraint Logic Programming](#constraint-logic-programming-extended-prolog) * [PureScript](#purescript) * [Python](#python) * [Django](#django) * [Flask](#flask) * [Kivy](#kivy) * [Pandas](#pandas) * [Pyramid](#pyramid) * [Tornado](#tornado) * [QML](#qml) * [R](#r) * [Racket](#racket) * [Raku](#raku) * [Raspberry Pi](#raspberry-pi) * [REBOL](#rebol) * [Ruby](#ruby) * [RSpec](#rspec) * [Ruby on Rails](#ruby-on-rails) * [Sinatra](#sinatra) * [Rust](#rust) * [Sage](#sage) * [Scala](#scala) * [Lift](#lift) * [Play Scala](#play-scala) * [Scheme](#scheme) * [Scilab](#scilab) * [Scratch](#scratch) * [Sed](#sed) * [Self](#self) * [Smalltalk](#smalltalk) * [Snap](#snap) * [Spark](#spark) * [Splunk](#splunk) * [SQL (implementation agnostic)](#sql-implementation-agnostic) * [SQL Server](#sql-server) * [Standard ML](#standard-ml) * [Subversion](#subversion) * [Swift](#swift) * [Vapor](#vapor) * [Tcl](#tcl) * [TEI](#tei) * [Teradata](#teradata) * [Tizen](#tizen) * [TLA](#tla) * [TypeScript](#typescript) * [Deno](#deno) * [Unix](#unix) * [Verilog](#verilog) * [VHDL](#vhdl) * [Vim](#vim) * [Visual Basic](#visual-basic) * [Visual Prolog](#visual-prolog) * [Web Services](#web-services) * [Windows 8](#windows-8) * [Windows Phone](#windows-phone) * [Workflow](#workflow) * [xBase (dBase / Clipper / Harbour)](#xbase-dbase--clipper--harbour) ### Meta-Lists * [atariarchives.org](http://www.atariarchives.org) atariarchives.org makes books, information, and software for Atari and other classic computers available on the Web. * [Bento](https://www.bento.io) * [Bitsavers.org](http://bitsavers.trailing-edge.com) * [Bookboon: IT & Programming](http://bookboon.com/en/it-programming-ebooks) Cookie required. (email address *requested*, not required) * [conceptf1.blogspot.com](http://conceptf1.blogspot.com/2013/11/list-of-freely-available-programming.html) * [Free Smalltalk Books, collected by Stéphane Ducasse](http://stephane.ducasse.free.fr/FreeBooks.html) * [Free Tech Books](http://www.freetechbooks.com) * [Goalkicker](https://goalkicker.com) - Programming Notes for Professionals books * [IBM Redbooks](http://www.redbooks.ibm.com) * [InfoQ Minibooks](http://www.infoq.com/minibooks/) * [InTech: Computer and Information Science](http://www.intechopen.com/subjects/computer-and-information-science) * [JSBooks - directory of free javascript ebooks](https://github.com/revolunet/JSbooks) * [Learn X in Y minutes](https://learnxinyminutes.com) * [Learneroo Resources to Learn Programming](https://www.learneroo.com/modules/12/nodes/96) * [Microsoft Guides to Software](https://blogs.msdn.microsoft.com/mssmallbiz/2014/07/07/largest-collection-of-free-microsoft-ebooks-ever-including-windows-8-1-windows-8-windows-7-office-2013-office-365-office-2010-sharepoint-2013-dynamics-crm-powershell-exchange-server-lync-2/) * [Microsoft Press: Free E-Books](https://mva.microsoft.com/ebooks) * [Microsoft Technologies 1, including books on Windows Azure, SharePoint, Visual Studio Guide, Windows phone development, ASP.net, Office365, etc. collection by Eric Ligman](https://blogs.msdn.microsoft.com/mssmallbiz/2012/07/27/large-collection-of-free-microsoft-ebooks-for-you-including-sharepoint-visual-studio-windows-phone-windows-8-office-365-office-2010-sql-server-2012-azure-and-more/) * [Microsoft Technologies 2, including books on Windows Azure, SharePoint, Visual Studio Guide, Windows phone development, ASP.net, etc. collection by Eric Ligman](https://blogs.msdn.microsoft.com/mssmallbiz/2012/07/30/another-large-collection-of-free-microsoft-ebooks-and-resource-kits-for-you-including-sharepoint-2013-office-2013-office-365-duet-2-0-azure-cloud-windows-phone-lync-dynamics-crm-and-more/) * [O'Reilly's Open Books Project](http://www.oreilly.com/openbook/) * [Papers we love](https://github.com/papers-we-love/papers-we-love) * [Programming](https://en.wikibooks.org/wiki/Category%3aComputer_programming) - Wikibooks * [Red Gate Books](http://www.red-gate.com/community/books/index) * [Stef's Free Online Smalltalk Books](http://stephane.ducasse.free.fr/FreeBooks/) * [TechBeamers.com](http://www.techbeamers.com) * [TechBooksForFree.com](http://www.techbooksforfree.com) * [The Definitive C++ Book Guide and List](http://stackoverflow.com/questions/388242/the-definitive-c-book-guide-and-list) * [Theassayer.org](http://theassayer.org) * [tutorialspoint](http://www.tutorialspoint.com) ### Graphics Programming * [3D Game Shaders For Beginners](https://github.com/lettier/3d-game-shaders-for-beginners) - David Lettier (Git) [(HTML)](https://lettier.github.io/3d-game-shaders-for-beginners) * [Blender 3D: Noob to Pro](https://en.wikibooks.org/wiki/Blender_3D%3A_Noob_to_Pro) - Wikibooks * [Blender Manual](https://docs.blender.org/manual/en/latest) * [Computer Graphics from scratch](http://gabrielgambetta.com/computer-graphics-from-scratch) - Gabriel Gambetta (:construction: *in process*) * [DirectX manual](http://user.xmission.com/~legalize/book/download/index.html) (draft) * [GPU Gems](https://developer.nvidia.com/gpugems/GPUGems/gpugems_pref01.html) * [Graphics Programming Black Book](http://www.gamedev.net/page/resources/_/technical/graphics-programming-and-theory/graphics-programming-black-book-r1698) - Michael Abrash * [Introduction to Modern OpenGL](https://open.gl) * [Introduction to TouchDesigner 099](https://leanpub.com/introductiontotouchdesigner/) *(Leanpub account or valid email requested)* * [Learn Computer Graphics From Scratch!](https://www.scratchapixel.com) - Scratchapixel (:construction: *in process*) * [Learn OpenGL](http://learnopengl.com) - Joey de Vries * [Learning Modern 3D Graphics Programming](https://web.archive.org/web/20150225192611/http://www.arcsynthesis.org/gltut/index.html) - Jason L. McKesson (draft) * [Notes for a Computer Graphics Programming Course](https://www.cs.csustan.edu/~rsc/CS3600F00/Notes.pdf) - Dr. Steve Cunningham (PDF) * [OpenGL](http://www.songho.ca/opengl/index.html) - Concepts and illustrations. * [ShaderX series](http://www.realtimerendering.com/resources/shaderx/) - Wolfgang Engel * [Tutorials for modern OpenGL](http://www.opengl-tutorial.org) * [WebGL Insights](http://webglinsights.com) - Patrick Cozzi and Contributors ### Graphical User Interfaces * [Programming with gtkmm 3](https://developer.gnome.org/gtkmm-tutorial/stable/) * [Search User Interfaces](http://searchuserinterfaces.com/book/) - Marti A. Hearst * [The GLib/GTK+ Development Platform](https://people.gnome.org/~swilmet/glib-gtk-dev-platform.pdf) - Sébastien Wilmet (PDF) ### GraphQL * [Fullstack GraphQL](https://github.com/GraphQLCollege/fullstack-graphql) ### Language Agnostic #### Algorithms & Data Structures * [A Field Guide To Genetic Programming](https://b-ok.cc/book/861921/18f698) - Riccardo Poli et al. (PDF) * [Algorithmic Graph Theory](http://code.google.com/p/graphbook/) * [Algorithms](https://en.wikibooks.org/wiki/Algorithms) - Wikibooks * [Algorithms, 4th Edition](http://algs4.cs.princeton.edu/home/) - Robert Sedgewick and Kevin Wayne * [Algorithms and Automatic Computing Machines (1963)](https://archive.org/details/Algorithms_And_Automatic_Computing_Machines) - B. A. Trakhtenbrot * [Algorithms and Complexity](https://www.math.upenn.edu/~wilf/AlgoComp.pdf) - Herbert S. Wilf (PDF) * [Algorithms Course Materials](http://jeffe.cs.illinois.edu/teaching/algorithms/) - Jeff Erickson * [Algorithms Notes for Professionals](https://goalkicker.com/AlgorithmsBook) - Compiled from StackOverflow Documentation (3.x) (PDF) * [Analysis and Design of Algorithms](http://www.cse.iitd.ernet.in/~ssen/csl356/admin356.html) - Sandeep Sen, IIT Delhi * [Animated Algorithm and Data Structure Visualization](http://visualgo.net) (Resource) * [Annotated Algorithms in Python: Applications in Physics, Biology, and Finance](https://github.com/mdipierro/nlib) - Massimo di Pierro * [Binary Trees](http://cslibrary.stanford.edu/110/BinaryTrees.pdf) (PDF) * [Data Structures](http://www.cse.iitd.ernet.in/~suban/cs130/index.html) - Prof. Subhashis Banerjee, IIT Delhi * [Data Structures (Into Java) - Paul N. Hilfinger](http://www-inst.eecs.berkeley.edu/~cs61b/fa14/book2/data-structures.pdf) (PDF) * [Data Structures and Algorithms: Annotated Reference with Examples](https://web.archive.org/web/20170715160229/http://dotnetslackers.com/Community/files/folders/data-structures-and-algorithms/entry30283.aspx) - G. Barnett and L. Del Tongo * [Data Structures Succinctly Part 1, Syncfusion](https://www.syncfusion.com/resources/techportal/ebooks/datastructurespart1) (PDF, Kindle) (email address *requested*, not required) * [Data Structures Succinctly Part 2, Syncfusion](https://www.syncfusion.com/resources/techportal/ebooks/datastructurespart2) (PDF, Kindle) (email address *requested*, not required) * [Elementary Algorithms](https://github.com/liuxinyu95/AlgoXY) - Larry LIU Xinyu * [Foundations of Computer Science](http://infolab.stanford.edu/~ullman/focs.html) - Al Aho and Jeff Ullman * [Geometry Algorithms](http://geomalgorithms.com) - Dan Sunday * [Lectures Notes on Algorithm Analysis and Computational Complexity (Fourth Edition)](http://ianparberry.com/books/free/license.html) - Ian Parberry (use form at bottom of license) * [LEDA: A Platform for Combinatorial and Geometric Computing](http://people.mpi-inf.mpg.de/~mehlhorn/LEDAbook.html) - K. Mehlhorn et al. * [Linked List Basics](http://cslibrary.stanford.edu/103/LinkedListBasics.pdf) (PDF) * [Linked List Problems](http://cslibrary.stanford.edu/105/LinkedListProblems.pdf) (PDF) * [Matters Computational: Ideas, Algorithms, Source Code](http://www.jjj.de/fxt/fxtbook.pdf) (PDF) * [Open Data Structures: An Introduction](http://opendatastructures.org) - Pat Morin * [Planning Algorithms](http://planning.cs.uiuc.edu) * [Problems on Algorithms (Second Edition)](http://ianparberry.com/books/free/license.html) - Ian Parberry (use form at bottom of license) * [Purely Functional Data Structures (1996)](http://www.cs.cmu.edu/~rwh/theses/okasaki.pdf) - Chris Okasaki (PDF) * [Sequential and parallel sorting algorithms](http://www.inf.fh-flensburg.de/lang/algorithmen/sortieren/algoen.htm) * [Text Algorithms](http://igm.univ-mlv.fr/~mac/REC/text-algorithms.pdf) (PDF) * [The Algorithm Design Manual](http://www8.cs.umu.se/kurser/TDBAfl/VT06/algorithms/BOOK/BOOK/BOOK.HTM) * [The Art of Computer Programming](http://www.cs.utsa.edu/~wagner/knuth/) - Donald Knuth (fascicles, mostly volume 4) * [The Design of Approximation Algorithms](http://www.designofapproxalgs.com/book.pdf) (PDF) * [The Great Tree List Recursion Problem](http://cslibrary.stanford.edu/109/TreeListRecursion.pdf) (PDF) * [The Kademlia Protocol Succinctly](https://www.syncfusion.com/ebooks/kademlia_protocol_succinctly) - Marc Clifton * [Think Complexity](https://greenteapress.com/wp/think-complexity-2e/) - Allen B. Downey (2nd Edition) (PDF, HTML) #### Artificial Intelligence * [Artificial Intelligence for Big Data](https://www.packtpub.com/free-ebooks/artificial-intelligence-big-data) - Anand Deshpande, Manish Kumar (Packt account *required*) * [The Quest for Artificial Intelligence: A History of Ideas and Achievements](http://ai.stanford.edu/~nilsson/QAI/qai.pdf) - Nils J. Nilsson (PDF) #### Cellular Automata * [A New Kind of Science](https://www.wolframscience.com/nksonline/toc.html) - Stephen Wolfram #### Cloud Computing * [Azure for Architects, Third Edition](https://azure.microsoft.com/en-us/resources/azure-for-architects/) (PDF) *(email address or account required)* * [Azure Functions Succinctly, Syncfusion](https://www.syncfusion.com/ebooks/azure-functions-succinctly) (PDF, Kindle) (email address requested, not required) * [Cloud Computing for Science and Engineering](https://cloud4scieng.org/chapters/) - Ian Foster, Dennis B. Gannon (:construction: *in process*) * [Cloud Design Patterns](https://www.microsoft.com/en-us/download/details.aspx?id=42026) * [Designing Distributed Systems](https://azure.microsoft.com/en-us/resources/designing-distributed-systems/) *(account required)* * [Hands-On Cloud Administration in Azure](https://www.packtpub.com/free-ebooks/hands-cloud-administration-azure) - Mustafa Toroman (Packt account *required*) * [Learn Azure in a Month of Lunches](https://azure.microsoft.com/mediahandler/files/resourcefiles/learn-azure-in-a-month-of-lunches/Learn_Azure_in_a_Month_of_Lunches.pdf) - Iain Foulds (PDF) * [Monitoring Modern Infrastructure](https://www.datadoghq.com/ebook/monitoring-modern-infrastructure/) *(account required)* * [Multi-tenant Applications for the Cloud, 3rd Edition](http://www.microsoft.com/en-us/download/details.aspx?id=29263) * [OpenStack Operations Guide](https://docs.openstack.org/ops-guide/index.html) * [Streamline microservice management with Istio Service Mesh](https://developers.redhat.com/books/introducing-istio-service-mesh-microservices/) *(account required)* * [The Developer’s Guide to Azure](https://azure.microsoft.com/en-us/campaigns/developer-guide/) #### Competitive Programming * [Competitive Programmer's Handbook](https://cses.fi/book.html) - Antti Laaksonen (PDF) * [Competitive Programming, 1st Edition](https://cpbook.net/#CP1details) (PDF) * [Principles of Algorithmic Problem Solving](http://www.csc.kth.se/~jsannemo/slask/main.pdf) - Johan Sannemo (PDF) #### Compiler Design * [An Introduction to GCC](https://web.archive.org/web/20170326232435/http://www.network-theory.co.uk/docs/gccintro/index.html) - Brian Gough * [Basics of Compiler Design (Anniversary Edition)](http://www.diku.dk/~torbenm/Basics/) - Torben Mogensen * [Compiler Design in C (1990)](http://www.holub.com/software/compiler.design.in.c.html) - Allen Holub, Prentice Hall * [Compiler Design: Theory, Tools, and Examples, C/C++ Edition](http://elvis.rowan.edu/~bergmann/books/cd/c_cpp/) - Seth D. Bergmann * [Compiler Design: Theory, Tools, and Examples, Java Edition](http://elvis.rowan.edu/~bergmann/books/cd/java/) - Seth D. Bergmann * [Compiling Scala for the Java Virtual Machine](http://lampwww.epfl.ch/~schinz/thesis-final-A4.pdf) - Michel Schinz (PDF) * [Compiling Techniques (1969)](http://www.chilton-computing.org.uk/acl/literature/books/compilingtechniques/overview.htm) - F.R.A. Hopgood, Macdonald * [Crafting Interpreters (:construction:)](http://www.craftinginterpreters.com) - Bob Nystrom (HTML) * [Implementing Functional Languages: A Tutorial](http://research.microsoft.com/en-us/um/people/simonpj/Papers/pj-lester-book/) - Simon Peyton Jones, David Lester * [Let's Build a Compiler](http://www.stack.nl/~marcov/compiler.pdf) (PDF) * [Practical and Theoretical Aspects of Compiler Construction](http://web.stanford.edu/class/archive/cs/cs143/cs143.1128/) (class lectures and slides) * [The ANTLR Mega Tutorial](https://tomassetti.me/antlr-mega-tutorial/) #### Computer Science * [Computational Thinking](https://www.cs.cmu.edu/~15110-s13/Wing06-ct.pdf) - Jeannette Wing, Carnegie-Mellon University (PDF) * [Computer Science I - Draft](https://bitbucket.org/chrisbourke/computersciencei/src) - Dr. Chris Bourke (PDF) (:construction: *in process*) * [Computer Science II - Draft](http://cse.unl.edu/~cbourke/ComputerScienceTwo.pdf) - Dr. Chris Bourke (PDF) (:construction: *in process*) * [CS Principles: Big Ideas in Programming](https://www.openbookproject.net/books/StudentCSP/) - Mark Guzdial and Barbara Ericson (HTML) #### Computer Vision * [Computer Vision](http://homepages.inf.ed.ac.uk/rbf/BOOKS/BANDB/bandb.htm) - Dana Ballard, Chris Brown * [Computer Vision: Algorithms and Applications](http://szeliski.org/Book/) - Richard Szeliski * [Computer Vision: Models, Learning, and Inference](http://www.computervisionmodels.com) - Simon J.D. Prince * [Mastering OpenCV 4, Third Edition](https://www.packtpub.com/free-ebooks/mastering-opencv-4-third-edition) - Roy Shilkrot, David Millán Escrivá (Packt account *required*) * [Programming Computer Vision with Python](http://programmingcomputervision.com) - Jan Erik Solem #### Containers * [Docker Cookbook, Second Edition](https://www.packtpub.com/free-ebooks/docker-cookbook-second-edition) - Ken Cochrane, Jeeva S. Chelladhurai, Neependra K Khare (Packt account *required*) * [Docker Jumpstart](http://odewahn.github.io/docker-jumpstart/) - Andrew Odewahn * [Kubernetes Cookbook, Second Edition](https://www.packtpub.com/free-ebooks/kubernetes-cookbook-second-edition) - Hideto Saito, Hui-Chuan Chloe Lee, Ke-Jou Carol Hsu (Packt account *required*) #### Database * [Database Design, 2nd Ed.](https://open.bccampus.ca/browse-our-collection/find-open-textbooks/?uuid=5b6f010a-0563-44d4-94c5-67caa515d2c5) - Adrienne Watt, Nelson Eng (HTML, PDF, EPUB, Kindle) * [Database Explorations](http://www.dcs.warwick.ac.uk/~hugh/TTM/Database-Explorations-revision-2.pdf) (PDF) * [Database Fundamentals](http://public.dhe.ibm.com/software/dw/db2/express-c/wiki/Database_fundamentals.pdf) (PDF) * [Databases, Types, and The Relational Model: The Third Manifesto](http://www.dcs.warwick.ac.uk/~hugh/TTM/DTATRM.pdf) (PDF) * [Foundations of Databases](http://webdam.inria.fr/Alice/) * [Readings in Database Systems, 5th Ed.](http://www.redbook.io) * [Temporal Database Management](http://people.cs.aau.dk/~csj/Thesis/) - Christian S. Jensen * [The Theory of Relational Databases](http://web.cecs.pdx.edu/~maier/TheoryBook/TRD.html) #### Datamining * [A Programmer's Guide to Data Mining](http://guidetodatamining.com) - Ron Zacharski (Draft) * [Data Jujitsu: The Art of Turning Data into Product](http://www.oreilly.com/data/free/data-jujitsu.csp) (email address *requested*, not required) * [Data Mining Algorithms In R](https://en.wikibooks.org/wiki/Data_Mining_Algorithms_In_R) - Wikibooks * [Internet Advertising: An Interplay among Advertisers, Online Publishers, Ad Exchanges and Web Users](http://arxiv.org/pdf/1206.1754v2.pdf) (PDF) * [Introduction to Data Science](https://docs.google.com/file/d/0B6iefdnF22XQeVZDSkxjZ0Z5VUE/edit?pli=1) - Jeffrey Stanton * [Introduction to Data Science](https://leanpub.com/datasciencebook) - Rafael A Irizarry *(Leanpub account or valid email requested)* * [Mining of Massive Datasets](http://www.mmds.org) * [School of Data Handbook](http://schoolofdata.org/handbook/) * [Statistical inference for data science](https://leanpub.com/LittleInferenceBook/read) - Brian Caffo * [Theory and Applications for Advanced Text Mining](http://www.intechopen.com/books/theory-and-applications-for-advanced-text-mining) #### Information Retrieval * [Information Retrieval: A Survey](http://www.csee.umbc.edu/csee/research/cadip/readings/IR.report.120600.book.pdf) (PDF) * [Introduction to Information Retrieval](http://nlp.stanford.edu/IR-book/information-retrieval-book.html) #### Licensing * [Creative Commons: a user guide](http://www.aliprandi.org/cc-user-guide/) - Simone Aliprandi * [Open Source Licensing Software Freedom and Intellectual Property Law](http://rosenlaw.com/oslbook/) - Lawrence Rosen * [The Public Domain: Enclosing the Commons of the Mind](http://www.thepublicdomain.org/download/) - James Boyle #### Machine Learning * [A Brief Introduction to Machine Learning for Engineers](https://arxiv.org/pdf/1709.02840.pdf) - Osvaldo Simeone (PDF) * [A Brief Introduction to Neural Networks](http://www.dkriesel.com/en/science/neural_networks) * [A Comprehensive Guide to Machine Learning](https://www.eecs189.org/static/resources/comprehensive-guide.pdf) - Soroush Nasiriany, Garrett Thomas, William Wang, Alex Yang (PDF) * [A Course in Machine Learning](http://ciml.info/dl/v0_9/ciml-v0_9-all.pdf) (PDF) * [A First Encounter with Machine Learning](https://www.ics.uci.edu/~welling/teaching/ICS273Afall11/IntroMLBook.pdf) (PDF) * [Algorithms for Reinforcement Learning](https://sites.ualberta.ca/~szepesva/papers/RLAlgsInMDPs.pdf) - Csaba Szepesvári (PDF) * [An Introduction to Statistical Learning](http://www-bcf.usc.edu/~gareth/ISL/) - Gareth James, Daniela Witten, Trevor Hastie and Robert Tibshirani * [Bayesian Reasoning and Machine Learning](http://web4.cs.ucl.ac.uk/staff/D.Barber/pmwiki/pmwiki.php?n=Brml.HomePage) * [Deep Learning](http://www.deeplearningbook.org) - Ian Goodfellow, Yoshua Bengio and Aaron Courville * [Deep Learning with PyTorch](https://pytorch.org/assets/deep-learning/Deep-Learning-with-PyTorch.pdf) - Eli Stevens, Luca Antiga, Thomas Viehmann (PDF) * [Dive into Deep Learning](http://d2l.ai) * [Explorations in Parallel Distributed Processing: A Handbook of Models, Programs, and Exercises](https://web.stanford.edu/group/pdplab/pdphandbook) - James L. McClelland * [Foundations of Machine Learning, Second Edition](https://mitpress.ublish.com/ereader/7093/?preview=#page/Cover) - Mehryar Mohri, Afshin Rostamizadeh, Ameet Talwalkar * [Gaussian Processes for Machine Learning](http://www.gaussianprocess.org/gpml/) * [Information Theory, Inference, and Learning Algorithms](http://www.inference.phy.cam.ac.uk/itila/) * [Interpretable Machine Learning](https://christophm.github.io/interpretable-ml-book/) - Christoph Molnar * [Introduction to CNTK Succinctly](https://www.syncfusion.com/ebooks/cntk_succinctly) - James McCaffrey * [Introduction to Machine Learning](http://arxiv.org/abs/0904.3664v1) - Amnon Shashua * [Keras Succinctly](https://www.syncfusion.com/ebooks/keras-succinctly) - James McCaffrey * [Learn Tensorflow](https://bitbucket.org/hrojas/learn-tensorflow) - Jupyter Notebooks * [Learning Deep Architectures for AI](https://mila.quebec/wp-content/uploads/2019/08/TR1312.pdf) (PDF) * [Machine Learning](http://www.intechopen.com/books/machine_learning) * [Machine Learning for Data Streams](https://moa.cms.waikato.ac.nz/book-html/) - Albert Bifet, Ricard Gavaldà, Geoff Holmes, Bernhard Pfahringer * [Machine Learning from Scratch](https://dafriedman97.github.io/mlbook/content/introduction.html) - Danny Friedman * [Machine Learning, Neural and Statistical Classification](http://www1.maths.leeds.ac.uk/~charles/statlog/) * [Mathematics for Machine Learning](https://gwthomas.github.io/docs/math4ml.pdf) - Garrett Thomas (PDF) * [Mathematics for Machine Learning](https://mml-book.github.io) - Marc Peter Deisenroth, A Aldo Faisal, and Cheng Soon Ong * [Neural Networks and Deep Learning](http://neuralnetworksanddeeplearning.com) * [Probabilistic Models in the Study of Language](http://idiom.ucsd.edu/~rlevy/pmsl_textbook/text.html) (Draft, with R code) * [Python Machine Learning Projects](https://www.digitalocean.com/community/books/python-machine-learning-projects-a-digitalocean-ebook) - Lisa Tagliaferri and Brian Boucheron (PDF, EPUB, MOBI) * [Reinforcement Learning: An Introduction](http://incompleteideas.net/book/RLbook2020.pdf) - Richard S. Sutton, Andrew G. Barto (PDF) * [Speech and Language Processing (3rd Edition Draft)](https://web.stanford.edu/~jurafsky/slp3/ed3book.pdf) - Daniel Jurafsky, James H. Martin (PDF) * [The Elements of Statistical Learning](https://web.stanford.edu/~hastie/ElemStatLearn/) - Trevor Hastie, Robert Tibshirani, and Jerome Friedman * [The LION Way: Machine Learning plus Intelligent Optimization](https://intelligent-optimization.org/LIONbook/lionbook_3v0.pdf) - Roberto Battiti, Mauro Brunato (PDF) * [The Python Game Book](http://thepythongamebook.com/en%3Astart) * [Understanding Machine Learning: From Theory to Algorithms](https://www.cs.huji.ac.il/~shais/UnderstandingMachineLearning) - Shai Shalev-Shwartz, Shai Ben-David #### Mathematics * [A First Course in Linear Algebra](http://linear.ups.edu) - Robert A. Beezer * [Abstract Algebra: Theory and Applications](http://abstract.ups.edu) - Thomas W. Judson * [Advanced Algebra](http://www.math.stonybrook.edu/~aknapp/download/a2-alg-inside.pdf) - Anthony W. Knapp (PDF) * [Algebra: An Elementary Text-Book, Part I (1904)](http://djm.cc/library/Algebra_Elementary_Text-Book_Part_I_Chrystal_edited.pdf) - G. Chrystal (PDF) * [Algebra: An Elementary Text-Book, Part II (1900)](http://djm.cc/library/Algebra_Elementary_Text-Book_Part_II_Chrystal_edited02.pdf) - G. Chrystal (PDF) * [Algebraic Topology](https://pi.math.cornell.edu/~hatcher/AT/ATpage.html) - Allen Hatcher (PDF) * [An Introduction to the Theory of Numbers](http://www.trillia.com/moser-number.html) - Leo Moser (PDF) * [Analytic Geometry (1922)](http://djm.cc/library/Analytic_Geometry_Siceloff_Wentworth_Smith_edited.pdf) - Lewis Parker Siceloff, George Wentworth, David Eugene Smith (PDF) * [Basic Algebra](http://www.math.stonybrook.edu/~aknapp/download/b2-alg-inside.pdf) - Anthony W. Knapp (PDF) * [Basics of Algebra, Topology, and Differential Calculus](http://www.cis.upenn.edu/~jean/math-basics.pdf) (PDF) * [Bayesian Methods for Hackers](https://github.com/CamDavidsonPilon/Probabilistic-Programming-and-Bayesian-Methods-for-Hackers) - Cameron Davidson-Pilon * [Beginning and Intermediate Algebra](http://www.wallace.ccfaculty.org/book/book.html) - Tyler Wallace * [Book of Proof](http://www.people.vcu.edu/~rhammack/BookOfProof/) - Richard Hammack (PDF) * [Calculus](http://ocw.mit.edu/ans7870/resources/Strang/Edited/Calculus/Calculus.pdf) - Gilbert Strang (PDF) * [Calculus Made Easy](http://www.gutenberg.org/ebooks/33283) - Silvanus P. Thompson (PDF) * [Category Theory for the Sciences](https://mitpress.ublish.com/ereader/77/?preview#page/Cover) - David I. Spivak * [CK-12 Probability and Statistics - Advanced](http://www.ck12.org/book/Probability-and-Statistics---Advanced-%2528Second-Edition%2529/) * [Collaborative Statistics](http://cnx.org/contents/5e0744f9-9e79-4348-9237-ed012213a2d6%4040.9) * [Complex Analysis](https://people.math.gatech.edu/~cain/winter99/complex.html) - George Cain * [Computational and Inferential Thinking. The Foundations of Data Science](https://www.inferentialthinking.com) * [Computational Geometry](http://web.mit.edu/hyperbook/Patrikalakis-Maekawa-Cho/) * [Concepts & Applications of Inferential Statistics](http://vassarstats.net/textbook/) * [Convex Optimization](https://web.stanford.edu/~boyd/cvxbook) - Stephen Boyd and Lieven Vandenberghe * [Coordinate Geometry (1911)](http://djm.cc/library/Coordinate_Geometry_Fine_Thompson_edited03.pdf) - Henry Buchard Fine and Henry Dallas Thompson (PDF) * [Differential Equations](http://tutorial.math.lamar.edu/Classes/DE/DE.aspx) - Paul Dawkins (PDF, use download menu to download) * [Differential Equations (1922)](http://djm.cc/library/Differential_Equations_Phillips_edited.pdf) - H. B. Phillips (PDF) * [Elementary Differential Equations](http://ramanujan.math.trinity.edu/wtrench/texts/TRENCH_DIFF_EQNS_I.PDF) - William F. Trench (PDF) * [Elements of Differential and Integral Calculus (1911)](http://djm.cc/library/Elements_Differential_Integral_Calculus_Granville_edited_2.pdf) - William Anthony Granville (PDF) * [Essentials of Metaheuristics](http://cs.gmu.edu/~sean/book/metaheuristics/) - Sean Luke * [First Course in Algebra (1910)](http://djm.cc/library/First_Algebra_Hawkes_Luby_Touton_edited.pdf) - Herbert E. Hawkes, William A. Luby, Frank C. Touton (PDF) * [Foundations of Constructive Probability Theory](https://arxiv.org/pdf/1906.01803.pdf) - Yuen-Kwok Chan (PDF) * [Graph Theory](http://compalg.inf.elte.hu/~tony/Oktatas/TDK/FINAL/) * [Introduction to Probability](http://www.dartmouth.edu/~chance/teaching_aids/books_articles/probability_book/book.html) - Charles M. Grinstead and J. Laurie Snell * [Introduction to Probability and Statistics Spring 2014](http://ocw.mit.edu/courses/mathematics/18-05-introduction-to-probability-and-statistics-spring-2014/) * [Introduction to Proofs](http://joshua.smcvt.edu/proofs/) - Jim Hefferon * [Introduction to Statistical Thought](http://people.math.umass.edu/~lavine/Book/book.html) - Michael Lavine * [Kalman and Bayesian Filters in Python](https://github.com/rlabbe/Kalman-and-Bayesian-Filters-in-Python) * [Knapsack Problems - Algorithms and Computer Implementations](http://www.or.deis.unibo.it/knapsack.html) - Silvano Martello and Paolo Toth * [Lecture Notes of Linear Algebra](http://home.iitk.ac.in/~psraj/mth102/lecture_notes.html) - Dr. P. Shunmugaraj, IIT Kanpur (PDF) * [Linear Algebra](http://home.iitk.ac.in/~arlal/book/la.pdf) - Dr. Arbind K Lal, Sukant Pati (PDF) (:construction: *in process*) * [Linear Algebra](https://www.math.ucdavis.edu/~linear/linear-guest.pdf) (PDF) * [Linear Algebra by Jim Hefferon](http://joshua.smcvt.edu/linearalgebra) - Jim Hefferon * [Linear Algebra, Infinite Dimensions, and Maple](https://people.math.gatech.edu/~herod/Hspace/Hspace.html) - James Herod * [Linear Methods of Applied Mathematics](http://www.mathphysics.com/pde) - Evans M. Harrell II and James V. Herod * [Magic Squares and Cubes (1917)](http://djm.cc/library/Magic_Squares_Cubes_Andrews_edited.pdf) - W. S. Anderson (PDF) * [Mathematical Logic - an Introduction](http://www.ii.uib.no/~michal/und/i227/book/book.pdf) (PDF) * [Mathematics, MTH101A](http://home.iitk.ac.in/~psraj/mth101/) - P. Shunmugaraj, IIT Kanpur * [Modern Statistics for Modern Biology](https://www.huber.embl.de/msmb) - Susan Holmes and Wolfgang Huber * [Multivariable Calculus](https://people.math.gatech.edu/~cain/notes/calculus.html) - George Cain and James Herod * [Non-Uniform Random Variate Generation](http://luc.devroye.org/rnbookindex.html) - Luc Devroye (PDF) * [Number Theory](https://github.com/holdenlee/number-theory) - Holden Lee MIT * [Odds and Ends: Introducing Probability & Decision with a Visual Emphasis](https://jonathanweisberg.org/vip/) - Jonathan Weisberg * [OpenIntro Statistics](https://www.openintro.org/stat/textbook.php) * [Ordinary Differential Equations](https://en.wikibooks.org/wiki/Ordinary_Differential_Equations) - Wikibooks * [Plane Geometry (1913)](http://djm.cc/library/Plane_Geometry_Wentworth_Smith_edited.pdf) - George Wentworth and David Eugene Smith (PDF) * [Planes and Spherical Trigonometry (1915)](http://djm.cc/library/Plane_Spherical_Trigonometry_Wentworth_Smith_edited_2.pdf) - George Wentworth and David Eugene Smith (PDF) * [Probability and Statistics Cookbook](http://statistics.zone) * [Probability and Statistics EBook](http://wiki.stat.ucla.edu/socr/index.php/Probability_and_statistics_EBook) * [Recreations in Math](http://djm.cc/library/Recreations_in_Mathematics_Licks_edited.pdf) - H. E. Licks (PDF) * [Second Course in Algebra](http://djm.cc/library/Second_Algebra_Hawkes_Luby_Touton_edited.pdf) - Herbert E. Hawkes, William A. Luby, Frank C. Touton (PDF) * [Seven Sketches in Compositionality: An Invitation to Applied Category Theory](https://arxiv.org/pdf/1803.05316.pdf) - Brendan Fong and David I. Spivak (PDF) * [Statistical Thinking for the 21st Century](https://statsthinking21.org) - Russell A. Poldrack * [Statistics Done Wrong](http://www.statisticsdonewrong.com) - Alex Reinhart * [The Joy of Cryptography (2020)](https://web.engr.oregonstate.edu/~rosulekm/crypto/) - Mike Rosulek (PDF) (:construction: *in process*) * [Think Bayes: Bayesian Statistics Made Simple](http://www.greenteapress.com/thinkbayes/) - Allen B. Downey * [Think Stats: Probability and Statistics for Programmers](http://greenteapress.com/thinkstats/) - Allen B. Downey (using Python) #### Mathematics For Computer Science * [A Mathematical Theory of Communication](https://archive.org/details/bstj27-4-623) - Claude E.Shannon * [Discrete Structures for Computer Science: Counting, Recursion, and Probability](http://cglab.ca/~michiel/DiscreteStructures/) - Michiel Smid #### Misc * [2016 European Software Development Salary Survey](https://www.oreilly.com/radar/2016-european-software-development-salary-survey/) * [2016 Software Development Salary Survey](https://www.oreilly.com/radar/2016-software-development-salary-survey-report/) * [2D Game Development: From Zero To Hero](https://github.com/Penaz91/2DGD_F0TH) (:construction: *in process*) * [97 Things Every Programmer Should Know - Extended](https://leanpub.com/97-Things-Every-Programmer-Should-Know-Extended) *(Leanpub account or valid email requested)* * [A MACHINE MADE THIS BOOK ten sketches of computer science](http://ocaml-book.com/s/popbook.pdf) - JOHN WHITINGTON (PDF) * [Ansible Up & Running (first three chapters)](https://www.ansible.com/ebooks) *(account required)* * [Asterisk™: The Definitive Guide](http://solmu.org/pub/help/Asterisk/3nd_Edition_for_Asterisk_1.8) * [Barcode Overview](http://www.tec-it.com/download/PDF/Barcode_Reference_EN.pdf) (PDF) * [Bitcoin and Cryptocurrency Technologies](https://d28rh4a8wq0iu5.cloudfront.net/bitcointech/readings/princeton_bitcoin_book.pdf) - Arvind Narayanan, Joseph Bonneau, Edward Felten, Andrew Miller, Steven Goldfeder (PDF) * [Blockchain By Example](https://www.packtpub.com/free-ebooks/blockchain-example) - Bellaj Badr, Richard Horrocks, Xun (Brian) Wu (Packt account *required*) * [Coding With Minecraft](https://turtleappstore.com/book/) - Al Sweigart * [Come, Let's Play: Scenario-Based Programming Using Live Sequence Charts](http://www.wisdom.weizmann.ac.il/~playbook/) * [Communicating Sequential Processes](http://www.usingcsp.com/cspbook.pdf) - Tony Hoare (PDF) * [Confessions of an Unintentional CTO: Lessons in Growing a Web App](http://www.jackkinsella.ie/books/confessions_of_an_unintentional_cto) - Jack Kinsella * [Culture \& Empire: Digital Revolution](http://hintjens.com/books) (PDF) * [Design With FontForge](http://designwithfontforge.com/en-US/index.html) * [Designing Interfaces](http://designinginterfaces.com) - Jennifer Tidwell * [DevDocs](http://devdocs.io) - Documents for Developers in 1 place * [DevOps For Dummies (IBM Edition)](http://www.ibm.com/ibm/devops/us/en/resources/dummiesbooks/) (PDF) * [Digital Signal Processing For Communications](http://www.sp4comm.org) * [Digital Signal Processing For Engineers and Scientists](http://www.dspguide.com) * [Digital Signal Processing in Python](https://greenteapress.com/wp/think-dsp) - Allen B. Downey * ["DYNAMIC LINKED LIBRARIES": Paradigms of the GPL license in contemporary software](http://www.lulu.com/shop/http://www.lulu.com/shop/luis-enr%C3%ADquez-a/dynamic-linked-libraries-paradigms-of-the-gpl-license-in-contemporary-software/ebook/product-21419788.html) - Luis A. Enríquez * [Effective DevOps with AWS, Second Edition](https://www.packtpub.com/free-ebooks/effective-devops-aws-second-edition) - Yogesh Raheja, Giuseppe Borgese, Nathaniel Felsen (Packt account *required*) * [Essential Image Optimization](https://images.guide) - Addy Osmani * [Foundations of Programming](http://openmymind.net/FoundationsOfProgramming.pdf) (PDF) * [Game Programming Patterns](http://gameprogrammingpatterns.com) - Bob Nystrom * [Getting Real](http://gettingreal.37signals.com) * [Google Maps API Succinctly](https://www.syncfusion.com/ebooks/google_maps_api_succinctly) - Mark Lewin * [Hacknot: Essays on Software Development](http://www.lulu.com/shop/ed-johnson/hacknot-essays-on-software-development/ebook/product-17544641.html) - Ed Johnson * [High-Performance Scientific Computing](https://andreask.cs.illinois.edu/Teaching/HPCFall2012) (class lectures and slides) * [HoloLens Succinctly](https://www.syncfusion.com/ebooks/hololens_succinctly) - Lars Klint * [How Computers Work](http://www.fastchip.net/howcomputerswork/p1.html) - R. Young * [How to Become a Programmer](http://softwarebyrob.wpengine.netdna-cdn.com/assets/Software_by_Rob%20_How_to_Become_a%20_Programmer_1.0.pdf) (PDF) * [How to Think Like a Computer Scientist](http://openbookproject.net/thinkcs/) - Peter Wentworth, Jeffrey Elkner, Allen B. Downey, and Chris Meyers * [Image Processing in C: Analyzing and Enhancing Digital Images](http://homepages.inf.ed.ac.uk/rbf/BOOKS/PHILLIPS/) - Dwayne Phillips * [Industrial Cybersecurity](https://www.packtpub.com/free-ebooks/industrial-cybersecurity) - Pascal Ackerman (Packt account *required*) * [Information Technology and the Networked Economy](http://florida.theorangegrove.org/og/file/49843a6a-9a9d-4bad-b4d4-d053f9cdf73e/1/InfoTechNetworkedEconomy.pdf) (PDF) * [Introduction to Scientific Programming in C++ and Fortran](https://web.corral.tacc.utexas.edu/CompEdu/pdf/isp/EijkhoutIntroSciProgramming-book.pdf) - Victor Eijkhout (PDF) * [IRPF90 Fortran code generator](https://www.gitbook.com/book/scemama/irpf90/details) - Anthony Scemama * [Learn Programming](https://progbook.org) - Antti Salonen * [Learn to Program](https://pine.fm/LearnToProgram/) * [Learning 30 Technologies in 30 Days: A Developer Challenge](https://blog.openshift.com/learning-30-technologies-in-30-days-a-developer-challenge/) - Shekhar Gulati * [Linked Data Patterns: A pattern catalogue for modelling, publishing, and consuming Linked Data](http://patterns.dataincubator.org/book/) - Leigh Dodds, Ian Davis * [Magic Ink: Information Software and The Graphical Interface](http://worrydream.com/#!/MagicInk) - Bret Victor * [Mastering Bitcoin - Unlocking digital currencies](https://github.com/bitcoinbook/bitcoinbook) - Andreas M. Antonopoulos * [Mastering ROS for Robotics Programming, Second Edition](https://www.packtpub.com/free-ebooks/mastering-ros-robotics-programming-second-edition) - Lentin Joseph, Jonathan Cacace (Packt account *required*) * [Mobile Developer's Guide to the Galaxy](https://leanpub.com/mobiledevelopersguide) *(Leanpub account or valid email requested)* * [Modeling Reactive Systems with Statecharts](http://www.wisdom.weizmann.ac.il/~harel/reactive_systems.html) * [MSIX Succinctly](https://www.syncfusion.com/ebooks/msix-succinctly) - Matteo Pagani * [Networks, Crowds, and Markets: Reasoning About a Highly Connected World](http://www.cs.cornell.edu/home/kleinber/networks-book/) * [Object-Oriented Reengineering Patterns](http://win.ua.ac.be/~sdemey/) - Serge Demeyer, Stéphane Ducasse and Oscar Nierstrasz * [Open Government; Collaboration, Transparency, and Participation in Practice](https://github.com/oreillymedia/open_government) - Daniel Lathrop, Laurel Ruma * [Packt Publishing: A free book every day](https://www.packtpub.com/packt/offers/free-learning) (PDF, ePub, Mobi, Kindle) *(account required)* * [PDQ: Pretty Darn Quick: An Agile, All-Purpose Methodology](https://leanpub.com/PDQ) - Jeff Franz-Lien *(Leanpub account or valid email requested)* * [Philosophy of Computer Science](http://www.cse.buffalo.edu/~rapaport/Papers/phics.pdf) (PDF) * [PNG: The Definitive Guide](http://www.libpng.org/pub/png/book/) * [Pointers And Memory](http://cslibrary.stanford.edu/102/PointersAndMemory.pdf) (PDF) * [Principles of Computer System Design](http://ocw.mit.edu/resources/res-6-004-principles-of-computer-system-design-an-introduction-spring-2009/online-textbook/part_ii_open_5_0.pdf) (PDF) * [Procedural Content Generation in Games](http://pcgbook.com) - Noor Shaker, Julian Togelius, Mark Nelson * [Programming with Unicode](http://unicodebook.readthedocs.org) * [Real-World Maintainable Software](https://www.oreilly.com/ideas/real-world-maintainable-software) - Abraham Marin-Perez * [Record-Playback Test Automation: Sahi & Selenium IDE: Critical Evaluation of Record-Playback Automation Tools](https://leanpub.com/manualToAutomatedWithSeleniumIDEAndSahi) - Shashikant Jagtap *(Leanpub account or valid email requested)* * [Scientific Programming and Computer Architecture](https://divakarvi.github.io/bk-spca/spca.html) - Divakar Viswanath * [Small Memory Software](http://www.smallmemory.com/book.html) * [Writing Native Mobile Apps in a Functional Language Succinctly](https://www.syncfusion.com/ebooks/writing_native_mobile_apps_in_a_functional_language_succinctly) - Vassili Kaplan #### MOOC * [Coursera](https://www.coursera.org) * [edX](https://www.edx.org) * [freeCodeCamp](https://www.freecodecamp.org) * [FutureLearn](https://www.futurelearn.com) * [MIT OCW](http://ocw.mit.edu) * [NPTEL](https://onlinecourses.nptel.ac.in) * [openHPI](https://open.hpi.de) * [openSAP](https://open.sap.com) * [Platzi](https://courses.platzi.com) * [Udacity](https://www.udacity.com) #### Networking * [An Introduction to Computer Networks](http://intronetworks.cs.luc.edu) (HTML, PDF, Kindle) * [Bits, Signals, and Packets: An Introduction to Digital Communications and Networks](http://ocw.mit.edu/courses/electrical-engineering-and-computer-science/6-02-introduction-to-eecs-ii-digital-communication-systems-fall-2012/readings/) * [Code Connected vol.1](http://hintjens.wdfiles.com/local--files/main%3Afiles/cc1pe.pdf) (PDF) (book on ZeroMQ) * [Computer Networking : Principles, Protocols and Practice](http://cnp3book.info.ucl.ac.be/1st/html/index.html) (HTML, ePub, PDF, Kindle) * [Computer Networks: A Systems Approach](https://book.systemsapproach.org) - Larry Peterson and Bruce Davie (HTML, epub, mobi, PDF) * [Distributed systems for fun and profit](http://book.mixu.net/distsys/single-page.html) * [High-Performance Browser Networking](https://hpbn.co) - Ilya Grigorik * [HTTP Succinctly, Syncfusion](https://www.syncfusion.com/resources/techportal/ebooks/http) (PDF, Kindle) (email address *requested*, not required) * [HTTP2 Explained](http://daniel.haxx.se/http2/) - Daniel Stenberg * [IPv6 for IPv4 Experts](https://sites.google.com/site/yartikhiy/home/ipv6book) - Yar Tikhiy (PDF) * [Kafka, The definitive Guide](https://assets.confluent.io/m/1b509accf21490f0/original/20170707-EB-Confluent_Kafka_Definitive-Guide_Complete.pdf) - Neha Narkhede (PDF) * [Network Science](http://networksciencebook.com) - Albert-Laszló Barabási * [The TCP/IP Guide](http://www.tcpipguide.com/free/t_toc.htm) * [Understanding IP Addressing: Everything you ever wanted to know](http://pages.di.unipi.it/ricci/501302.pdf) (PDF) * [ZeroMQ Guide](http://zguide.zeromq.org/page%3Aall) #### Open Source Ecosystem * [Data Journalism Handbook](http://datajournalismhandbook.org) * [Free as in Freedom: Richard Stallman and the free software revolution](https://archive.org/details/faif-2.0) - Sam Williams (PDF) * [Free for All](https://unglue.it/work/136445/) - Peter Wayner * [Free Software, Free Society: Selected Essays of Richard M. Stallman](http://shop.fsf.org/product/free-software-free-society-2/) * [Getting Started with InnerSource](http://www.oreilly.com/programming/free/getting-started-with-innersource.csp) (email address *requested*, not required) * [Getting started with Open source development](http://public.dhe.ibm.com/software/dw/db2/express-c/wiki/Getting_started_with_open_source_development_p2.pdf) (PDF) * [GitLab Handbook](https://about.gitlab.com/handbook/) * [How to get started with open source](https://opensource.com/resources/ebook/how-get-started-open-source) (ePub & ODT) * [Innovation Happens Elsewhere](http://dreamsongs.com/IHE/IHE.html) - Ron Goldman, Richard P. Gabriel * [Introduction to Networking](https://do1.dr-chuck.net/net-intro/EN_us/net-intro.pdf) - Charles Severance (PDF) * [Open Advice: FOSS: What We Wish We Had Known When We Started](http://open-advice.org) * [Open source in Brazil](https://www.oreilly.com/ideas/open-source-in-brazil) - Andy Oram * [Producing Open Source Software](http://producingoss.com) - Karl Fogel * [The Architecture of Open Source Applications: Vol. 1: Elegance, Evolution, and a Few Fearless Hacks; Vol. 2: Structure, Scale, and a Few More Feerless Hacks](http://www.aosabook.org/en/index.html) * [The Art of Community](http://artofcommunityonline.org/Art_of_Community_Second_Edition.pdf) - Jono Bacon (PDF) * [The Cathedral and the Bazaar](http://www.catb.org/esr/writings/cathedral-bazaar/) - Eric S. Raymond * [The Future of the Internet](http://futureoftheinternet.org) - Jonathan Zittrain * [The Open Source Way](http://www.theopensourceway.org/book/) * [The Wealth of Networks: How Social Production Transforms Markets and Freedom](http://cyber.law.harvard.edu/wealth_of_networks/Main_Page) - Yochai Benkler #### Operating Systems * [A short introduction to operating systems (2001)](http://markburgess.org/os/os.pdf) - Mark Burgess (PDF) * [Computer Science from the Bottom Up](http://www.bottomupcs.com) * [How to Make a Computer Operating System](https://github.com/SamyPesse/How-to-Make-a-Computer-Operating-System) (:construction: *in process*) * [How to write a simple operating system in assembly language](http://mikeos.sourceforge.net/write-your-own-os.html) - Mike Saunders (HTML) * [Operating Systems and Middleware](https://gustavus.edu/mcs/max/os-book/) (PDF and LaTeX) * [Operating Systems: Three Easy Pieces](http://pages.cs.wisc.edu/~remzi/OSTEP/) (PDF) * [Practical File System Design: The Be File System](http://www.nobius.org/~dbg/practical-file-system-design.pdf) - Dominic Giampaolo (PDF) * [Project Oberon: The Design of an Operating System, a Compiler, and a Computer](http://people.inf.ethz.ch/wirth/ProjectOberon/index.html) - Niklaus Wirth & Jürg Gutknecht (PDF) * [The Art of Unix Programming](http://catb.org/esr/writings/taoup/html/) - Eric S. Raymond * [The Design and Implementation of the Anykernel and Rump Kernels](http://www.fixup.fi/misc/rumpkernel-book/) - Antti Kantee * [The little book about OS development](https://littleosbook.github.io) - Erik Helin, Adam Renberg * [The Little Book of Semaphores](http://greenteapress.com/semaphores/) - Allen B. Downey * [Think OS: A Brief Introduction to Operating Systems](http://www.greenteapress.com/thinkos/index.html) - Allen B. Downey (PDF) * [UNIX Application and System Programming, lecture notes](http://www.compsci.hunter.cuny.edu/~sweiss/course_materials/unix_lecture_notes.php) - Prof. Stewart Weiss (PDF) * [Writing a Simple Operating System from Scratch](http://www.cs.bham.ac.uk/~exr/lectures/opsys/10_11/lectures/os-dev.pdf) - Nick Blundell (PDF) * [Xv6, a simple Unix-like teaching operating system](https://pdos.csail.mit.edu/6.828/2012/xv6.html) #### Parallel Programming * [High Performance Computing](http://cnx.org/contents/bb821554-7f76-44b1-89e7-8a2a759d1347%405.2) - Charles Severance & Kevin Dowd (PDF, ePUB) * [High Performance Computing Training](https://web.archive.org/web/20170702124132/https://hpc.llnl.gov/training/tutorials) (LLNL materials) * [High-Performance Scientific Computing](https://andreask.cs.illinois.edu/Teaching/HPCFall2012) (class lectures and slides) * [Introduction to High-Performance Scientific Computing](http://pages.tacc.utexas.edu/~eijkhout/istc/istc.html) - Victor Eijkhout * [Introduction to Parallel Computing](https://computing.llnl.gov/tutorials/parallel_comp/) - Blaise Barney * [Is Parallel Programming Hard, And, If So, What Can You Do About It?](https://www.kernel.org/pub/linux/kernel/people/paulmck/perfbook/perfbook.html) - Paul E. McKenney * [Programming on Parallel Machines; GPU, Multicore, Clusters and More](http://heather.cs.ucdavis.edu/parprocbook) - Norm Matloff Kerridge (PDF) (email address *requested*, not required) * [The OpenCL Programming Book](https://us.fixstars.com/products/opencl/book/OpenCLProgrammingBook/contents/) * [Using Concurrency and Parallelism Effectively – I](http://bookboon.com/en/using-concurrency-and-parallelism-effectively-i-ebook) - Jon Kerridge (PDF) (email address *requested*, not required) * [Using Concurrency and Parallelism Effectively – II](http://bookboon.com/en/using-concurrency-and-parallelism-effectively-ii-ebook) - Jon #### Partial Evaluation * [Partial Evaluation and Automatic Program Generation](http://www.itu.dk/people/sestoft/pebook/) - (PDF) Jones, Gomard and Sestoft #### Professional Development * [Clean Code Developer: An initiative for more professionalism in software development](https://www.gitbook.com/book/ccd_school/clean-code-developer-com/details) (:construction: *in process*) * [Confessions of an IT Manager](https://www.red-gate.com/library/confessions-of-an-it-manager) - Phil Factor (PDF) * [Don't Just Roll the Dice](https://www.red-gate.com/library/dont-just-roll-the-dice) - Neil Davidson (PDF) * [How to Do What You Love & Earn What You’re Worth as a Programmer](https://leanpub.com/dowhatyoulove/read) - Reginald Braithwaite * [Professional Software Development For Students](https://mixmastamyk.bitbucket.io/pro_soft_dev/intro.html) - Mike G. Miller * [What I've Learned From Failure](https://leanpub.com/shippingsoftware/read) - Reginald Braithwaite #### Programming Paradigms * [Flow based Programming](http://jpaulmorrison.com/fbp/) - J Paul Morrison * [Introduction to Functional Programming](http://www.cl.cam.ac.uk/teaching/Lectures/funprog-jrh-1996/) - J. Harrison * [Making Sense of Stream Processing](https://assets.confluent.io/m/2a60fabedb2dfbb1/original/20190307-EB-Making_Sense_of_Stream_Processing_Confluent.pdf) - Martin Kleppmann (PDF) * [Mostly Adequate Guide to Functional Programming](https://www.gitbook.com/book/drboolean/mostly-adequate-guide/details) * [The Pure Function Pipeline Data Flow v3.0 ---- the Grand Unified Programming Theory](https://github.com/linpengcheng/PurefunctionPipelineDataflow) - Lin Pengcheng * [Type Theory and Functional Programming](https://www.cs.kent.ac.uk/people/staff/sjt/TTFP/) #### Regular Expressions * [JavaScript RegExp](https://learnbyexample.github.io/learn_js_regexp/) - Sundeep Agarwal * [Python re(gex)?](https://learnbyexample.github.io/py_regular_expressions/) - Sundeep Agarwal * [Regular Expressions for Regular Folk](https://refrf.shreyasminocha.me) - Shreyas Minocha * [RexEgg](http://www.rexegg.com) * [Ruby Regexp](https://learnbyexample.github.io/Ruby_Regexp/) - Sundeep Agarwal * [The 30 Minute Regex Tutorial](http://www.codeproject.com/Articles/9099/The-Minute-Regex-Tutorial) - Jim Hollenhorst * [The Bastards Book of Regular Expressions: Finding Patterns in Everyday Text](https://leanpub.com/bastards-regexes) - Dan Nguyen *(Leanpub account or valid email requested)* #### Reverse Engineering * [BIOS Disassembly Ninjutsu Uncovered 1st Edition](http://bioshacking.blogspot.co.uk/2012/02/bios-disassembly-ninjutsu-uncovered-1st.html) - Darmawan Salihun (PDF) * [Hacking the Xbox: An Introduction to Reverse Engineering](https://www.nostarch.com/xboxfree/) - Andrew "bunnie" Huang * [iOS App Reverse Engineering](https://github.com/iosre/iOSAppReverseEngineering) (PDF) * [Reverse Engineering for Beginners](http://beginners.re) - Dennis Yurichev (PDF) #### Security * [A Graduate Course in Applied Cryptography](http://toc.cryptobook.us) * [Crypto 101 - Crypto for everyone](https://www.crypto101.io) * [CryptoParty Handbook](https://unglue.it/work/141611/) * [Handbook of Applied Cryptography](http://cacr.uwaterloo.ca/hac/index.html) * [How to deal with Passwords](https://github.com/MHM5000/pass) * [Intrusion Detection Systems with Snort](http://ptgmedia.pearsoncmg.com/images/0131407333/downloads/0131407333.pdf) (PDF) * [OpenSSL Cookbook](https://www.feistyduck.com/library/openssl-cookbook/) * [OWASP Mobile Security Testing Guide](https://mobile-security.gitbook.io/mobile-security-testing-guide/) - Bernhard Mueller et al. * [OWASP Testing Guide 4.0](https://www.owasp.org/images/1/19/OTGv4.pdf) (PDF) * [OWASP Top 10 for .NET Developers](http://www.troyhunt.com/2011/12/free-ebook-owasp-top-10-for-net.html) * [Security Engineering](http://www.cl.cam.ac.uk/~rja14/book.html) #### Software Architecture * [Agile Planning: From Ideas to Story Cards](https://launchschool.com/books/agile_planning) - Launch School * [Architectural Styles and the Design of Network-based Software Architectures](http://www.ics.uci.edu/~fielding/pubs/dissertation/top.htm) - Roy Thomas Fielding * [Best Kept Secrets of Peer Code Review](http://smartbear.com/lp/ebook/collaborator/secrets-of-peer-code-review/) * [Data-Oriented Design](http://www.dataorienteddesign.com/dodmain/dodmain.html) * [Developing Reactive Microservices](https://info.lightbend.com/COLL-20XX-Developing-Reactive-Microservices_Landing-Page.html) (email address *requested*, not required) * [Domain Driven Design Quickly](http://www.infoq.com/minibooks/domain-driven-design-quickly) * [DSL Engineering: Designing, Implementing and Using Domain-Specific Languages](http://dslbook.org) - Markus Voelter * [Exploring CQRS and Event Sourcing](https://msdn.microsoft.com/en-us/library/jj554200.aspx) - (EPUB, PDF) * [Guide to the Software Engineering Body of Knowledge](https://www.computer.org/education/bodies-of-knowledge/software-engineering/v3) (email adddress *requested*) * [How to Design Programs](http://www.htdp.org) * [How to Write Unmaintainable Code](http://mindprod.com/jgloss/unmain.html) * [Kanban and Scrum - making the most of both](http://www.infoq.com/minibooks/kanban-scrum-minibook) * [Kanban for skeptics](https://leanpub.com/kanbanforskeptics) - Nick Oostvogels *(Leanpub account or valid email requested)* * [Microservices AntiPatterns and Pitfalls](https://www.oreilly.com/programming/free/files/microservices-antipatterns-and-pitfalls.pdf) (PDF) * [Microservices vs. Service-Oriented Architecture](https://www.oreilly.com/programming/free/files/microservices-vs-service-oriented-architecture.pdf) (PDF) * [Migrating to Cloud-Native Application Architectures](https://developers.redhat.com/books/migrating-microservice-databases-relational-monolith-distributed-data/) (email address *requested*) (PDF) * [Naked objects](http://downloads.nakedobjects.net/resources/Pawson%20thesis.pdf) - Richard Pawson (PDF) * [OAuth - The Big Picture](https://pages.apigee.com/oauth-big-picture-ebook.html) (email address *requested*) * [Object-Oriented Reengineering Patterns](http://scg.unibe.ch/download/oorp/) - S. Demeyer, S. Ducasse and O. Nierstrasz * [Practicing Domain-Driven Design - Part 1](https://leanpub.com/Practicing-DDD) - Scott Millett *(Leanpub account or valid email requested)* * [Reactive Microservices Architecture](https://www.lightbend.com/ebooks/reactive-microservices-architecture-design-principles-for-distributed-systems-oreilly) (email address *requested*) * [Reactive Microsystems: The Evolution of Microservices at Scale](https://www.lightbend.com/ebooks/reactive-microsystems-evolution-of-microservices-scalability-oreilly) (email address *requested*) * [Scrum and XP from the Trenches](http://www.infoq.com/minibooks/scrum-xp-from-the-trenches-2) * [Serverless apps: Architecture, patterns, and Azure implementation](https://docs.microsoft.com/en-us/dotnet/standard/serverless-architecture/) * [Serverless Design Patterns and Best Practices](https://www.packtpub.com/free-ebooks/serverless-design-patterns-and-best-practices) - Brian Zambrano (Packt account *required*) * [Shape Up - Stop Running in Circles and Ship Work that Matters](https://basecamp.com/shapeup) - Ryan Singer (PDF) * [Site Reliability Engineering](https://landing.google.com/sre/book/index.html) * [Software Architecture Patterns](http://www.oreilly.com/programming/free/software-architecture-patterns.csp) (email address *requested*, not required) * [Software Engineering for Internet Applications](http://philip.greenspun.com/seia/) * [Test Driven Development, Extensive Tutorial](https://github.com/grzesiek-galezowski/tdd-ebook) - Grzegorz Gałęzowski * [The Site Reliability Workbook](https://landing.google.com/sre/workbook/toc/) - Betsy Beyer, Niall Richard Murphy, David K. Rensin, Kent Kawahara and Stephen Thorne * [Web API Design](https://pages.apigee.com/rs/apigee/images/api-design-ebook-2012-03.pdf) - Brian Mulloy (PDF) * [Working with Web APIs](https://launchschool.com/books/working_with_apis) - Launch School * [Your API Is Bad](https://leanpub.com/yourapiisbad/read) - Paddy Foran #### Standards * [Linux Standard Base](http://refspecs.linuxfoundation.org/lsb.shtml) * [UNIX - The POSIX Standard - IEEE Std 1003.1](https://github.com/geoff-codes/posix-standard) #### Theoretical Computer Science * [Building Blocks for Theoretical Computer Science](http://mfleck.cs.illinois.edu/building-blocks/index.html) - Margaret M. Fleck * [Category Theory for Computing Science](http://www.tac.mta.ca/tac/reprints/articles/22/tr22.pdf) (PDF) * [Category Theory for Programmers](https://github.com/hmemcpy/milewski-ctfp-pdf) - Bartosz Milewski (PDF) * [Design of a Programmer](https://www.smashwords.com/books/view/639609) - Prakash Hegade (PDF) * [Homotopy Type Theory: Univalent Foundations of Mathematics](http://homotopytypetheory.org/book/) (PDF) * [Introduction to Computer Science](http://www.cse.iitd.ernet.in/~suban/CSL102/) - Prof. Subhashis Banerjee, IIT Delhi * [Introduction to Computing](http://www.computingbook.org) * [Introduction to Theory of Computation](http://cglab.ca/~michiel/TheoryOfComputation/) - Anil Maheshwari and Michiel Smid (PDF) * [Models of Computation](http://cs.brown.edu/people/jes/book/) - John E. Savage * [Practical Foundations for Programming Languages, Preview](https://www.cs.cmu.edu/~rwh/pfpl/2nded.pdf) - Robert Harper (PDF) * [Principles of Programming Languages](https://web.archive.org/web/20150418034451/http://www.cs.jhu.edu/~scott/pl/book/dist/) - Scott F. Smith * [Programming and Programming Languages](https://papl.cs.brown.edu/2019/) - Shriram Krishnamurthi * [Programming in Martin-Löf's Type Theory](http://www.cse.chalmers.se/research/group/logic/book/) - Bengt Nordstroem * [Programming Languages: Application and Interpretation (2nd Edition)](http://cs.brown.edu/~sk/Publications/Books/ProgLangs/) - Shriram Krishnamurthi * [Programming Languages: Theory and Practice](http://people.cs.uchicago.edu/~blume/classes/aut2008/proglang/text/offline.pdf) - Robert Harper (PDF) * [Semantics with Applications: A Formal Introduction](http://www.cs.ru.nl/~herman/onderwijs/semantics2019/wiley.pdf) - Hanne Riis Nielson, Flemming Nielson (PDF) * [Structure and Interpretation of Computer Programs](https://mitpress.mit.edu/sicp/) * [Structure and Interpretation of Computer Programs](http://sarabander.github.io/sicp/html/index.xhtml) * [The Black Art of Programming](http://self.gutenberg.org/wplbn0002828847-the-black-art-of-programming-by-mcilroy-mark.aspx?) - Mark McIlroy * [The Craft of Programming](https://kilthub.cmu.edu/articles/The_Craft_of_Programming/6610514) - John C. Reynolds * [Think Complexity](https://greenteapress.com/wp/think-complexity-2e/) - - Allen B. Downey (2nd Edition) (PDF, HTML) #### Web Performance * [Book of Speed](http://www.bookofspeed.com) - Stoyan Stefanov * [Designing for Performance](http://designingforperformance.com) - Lara Hogan * [High Performance Accelerated Websites](https://thisisyuu.github.io/ebook) - Anshul (HTML) (:construction: *in process*) * [High Performance Browser Networking](https://hpbn.co) - Ilya Grigorik * [Mature Optimization](http://carlos.bueno.org/optimization/mature-optimization.pdf) - Carlos Bueno (PDF) ### ABAP * [SAP Code Style Guides - Clean ABAP](https://github.com/SAP/styleguides/blob/master/clean-abap/CleanABAP.md) ### Ada * [A Guide to Ada for C and C++ Programmers](http://www.cs.uni.edu/~mccormic/4740/guide-c2ada.pdf) (PDF) * [Ada Distilled](http://www.adapower.com/pdfs/AdaDistilled07-27-2003.pdf) (PDF) * [Ada for the C++ or Java Developer](https://www.adacore.com/uploads/books/pdf/Ada_for_the_C_or_Java_Developer-cc.pdf) - Quentin Ochem (PDF) * [Ada Programming](https://en.wikibooks.org/wiki/Ada_Programming) - Wikibooks * [Ada Reference Manual - ISO/IEC 8652:2012(E) Language and Standard Libraries](http://www.ada-auth.org/standards/12rm/RM-Final.pdf) (PDF) * [Introduction To Ada](https://learn.adacore.com/courses/intro-to-ada/index.html) * [Introduction To SPARK](https://learn.adacore.com/courses/SPARK_for_the_MISRA_C_Developer/index.html) * [The Big Online Book of Linux Ada Programming](http://www.pegasoft.ca/resources/boblap/book.html) ### Agda * [Agda Tutorial](http://people.inf.elte.hu/divip/AgdaTutorial/Index.html) * [Programming Language Foundations in Agda](https://plfa.github.io) - Philip Wadler and Wen Kokke ### Alef * [Alef Language Reference Manual](http://doc.cat-v.org/plan_9/2nd_edition/papers/alef/ref) ### Android * [Android 4 App Development Essentials](http://www.techotopia.com/index.php/Android_4_App_Development_Essentials) * [Android Notes](https://goalkicker.com/AndroidBook) (PDF) * [Android Programming Succinctly, Syncfusion](https://www.syncfusion.com/resources/techportal/ebooks/android) ([PDF](https://www.syncfusion.com/Account/Logon?ReturnUrl=%2fresources%2ftechportal%2febooks%2fandroid), [Kindle](https://www.syncfusion.com/Account/Logon?ReturnUrl=%2fresources%2ftechportal%2febooks%2fandroid)) (email address *requested*, not required) * [CodePath Android Cliffnotes](https://github.com/codepath/android_guides/wiki) * [Coreservlets Android Programming Tutorial](http://www.coreservlets.com/android-tutorial/) * [Expert Android and Eclipse development knowledge](http://www.vogella.com/tutorials/android.html) * [Google Android Developer Training](https://developer.android.com/guide) * [Styling Android](https://blog.stylingandroid.com) * [The Busy Coder's Guide to Android Development](https://commonsware.com/Android/4-2-free) (PDF - older versions) * [Tutorial Point Android Tutorial](http://www.tutorialspoint.com/android/android_tutorial.pdf) (PDF) ### APL * [A Practical Introduction to APL1 & APL2](http://robertson.uk.net) - Graeme Donald Robertson (PDF) * [A Practical Introduction to APL3 & APL4](http://robertson.uk.net) - Graeme Donald Robertson (PDF) * [Mastering Dyalog APL](http://www.dyalog.com/mastering-dyalog-apl.htm) (PDF) ### Arduino * [Arduino Programming Notebook](http://www.lulu.com/shop/brian-evans/arduino-programming-notebook/ebook/product-18598708.html) - Brian Evans * [Introduction to Arduino](http://playground.arduino.cc/Main/ManualsAndCurriculum) * [Introduction to Arduino : A piece of cake!](http://www.introtoarduino.com) - Alan G. Smith ### ASP.NET * [Architecting Modern Web Applications with ASP.NET Core and Microsoft Azure (2020)](https://aka.ms/webappebook) - Steve "ardalis" Smith (PDF) (:construction: *in process*) * [ASP.NET Core 2 Succinctly](https://www.syncfusion.com/ebooks/aspnet-core-2-succinctly) - Simone Chiaretta, Ugo Lattanzi * [ASP.NET MVC Music Store](http://mvcmusicstore.codeplex.com) * [ASP.NET WebHooks Succinctly](https://www.syncfusion.com/ebooks/aspnet_webhooks_succinctly) - Gaurav Arora * [ASP.NET with C# (2008)](http://www.vijaymukhi.com/documents/books/vsnet/content.htm) - Vijay Mukhi, Sonal Mukhi, Neha Kotecha * [Diving into ASP.NET WebAPI (2016)](https://github.com/akhilmittal/FreeBooks/) - Akhil Mittal (PDF) * [Intro to ASPNET MVC 4 with Visual Studio 2011 Beta (2012)](http://download.microsoft.com/download/0/f/b/0fbfaa46-2bfd-478f-8e56-7bf3c672df9d/intro%20to%20asp.net%20mvc%204%20with%20visual%20studio%20-%20beta.pdf) - Rick Anderson and Scott Hanselman (PDF) * [Introducing ASP.NET Web Pages 2 (2012)](https://download.microsoft.com/download/0/F/B/0FBFAA46-2BFD-478F-8E56-7BF3C672DF9D/Introducing%20ASP.NET%20Web%20Pages%202.pdf) - Mike Pope (PDF) * [The Little ASP.NET Core Book (2018)](https://s3.amazonaws.com/recaffeinate-files/LittleAspNetCoreBook.pdf) - Nate Barbettini (PDF) ### Assembly Language * [An introduction to reverse engineering for beginners](https://beginners.re/RE4B-EN.pdf) - Dennis Yurichev (PDF) * [ARM Assembly Language Programming](http://www.rigwit.co.uk/ARMBook/ARMBook.pdf) - Peter Knaggs (PDF) (:construction: *in process*) * [Assemblers And Loaders (1993)](http://www.davidsalomon.name/assem.advertis/asl.pdf) - David Salomon (PDF) * [Assembly Language Succinctly](https://www.syncfusion.com/resources/techportal/details/ebooks/assemblylanguage) (PDF) * [PC Assembly Language](http://pacman128.github.io/pcasm/) - P. A. Carter * [Professional Assembly Language](https://web.archive.org/web/20170329045538/http://blog.hit.edu.cn:80/jsx/upload/AT%EF%BC%86TAssemblyLanguage.pdf) (PDF) * [Programming from the Ground Up](https://download-mirror.savannah.gnu.org/releases/pgubook/ProgrammingGroundUp-1-0-booksize.pdf) - Jonathan Bartlett (PDF) * [Ralf Brown's Interrupt List](http://www.ctyme.com/rbrown.htm) * [Software optimization resources](http://www.agner.org/optimize/) - A. Fog * [The Art of Assembly Language (2003)](https://web.archive.org/web/20120525102637/http://maven.smith.edu/~thiebaut/ArtOfAssembly/artofasm.html) - Randall Hyde (PDF) * [Wizard Code, A View on Low-Level Programming](https://web.archive.org/web/20170712195930/http://vendu.twodots.nl/files/wizardcode4.pdf) - Tuomo Tuomo Venäläinen (PDF) * [x86-64 Assembly Language Programming with Ubuntu](http://www.egr.unlv.edu/~ed/x86.html) - Ed Jorgensen (PDF) * [x86 Assembly](https://en.wikibooks.org/wiki/X86_Assembly) - Wikibooks * [x86 Disassembly](https://en.wikibooks.org/wiki/X86_Disassembly) - Wikibooks * [Zen of Assembly Language: Volume I, Knowledge (1990)](http://www.jagregory.com/abrash-zen-of-asm/) - Michael Abrash #### Non-X86 * [Easy 6502](http://skilldrick.github.io/easy6502/) - Nick Morgan * [Machine Code for Beginners [Z80 and 6502 CPUs]](https://usborne.com/browse-books/features/computer-and-coding-books/) - Lisa Watts and Mike Wharton (PDF) *(Scroll to bottom and click on book cover)* * [Machine Language for Beginners](https://archive.org/details/ataribooks-machine-language-for-beginners) - Richard Mansfield [6502 CPU] * [Programmed Introduction to MIPS Assembly Language](http://chortle.ccsu.edu/AssemblyTutorial/index.html) * [The Second Book of Machine Language](http://www.atariarchives.org/2bml/) ### AutoHotkey * [AHKbook - the book for AutoHotkey](http://ahkscript.github.io/ahkbook/index.html) * [AutoHotkey Official Documentation](https://autohotkey.com/docs/AutoHotkey.htm) ([CHM](https://autohotkey.com/download/1.1/AutoHotkeyHelp.zip)) ### Autotools * [Autotools Mythbuster](https://autotools.io/index.html) * [GNU Autoconf, Automake and Libtool](http://sourceware.org/autobook/) ### Awk * [A User's Guide for GNU AWK](http://www.math.utah.edu/docs/info/gawk_toc.html) * [An Awk Primer](https://en.wikibooks.org/wiki/An_Awk_Primer) - Wikibooks * [Awk](http://www.grymoire.com/Unix/Awk.html) - Bruce Barnett ### Bash * [Advanced Bash-Scripting Guide](http://tldp.org/LDP/abs/html/) - M. Cooper (HTML) * [Bash Guide for Beginners (2008)](http://www.tldp.org/LDP/Bash-Beginners-Guide/html/) - M. Garrels (HTML) * [Bash Notes](https://goalkicker.com/BashBook) (PDF) * [Bash Notes for Professionals](http://books.goalkicker.com/BashBook/) - Compiled from StackOverflow documentation (3.x) (PDF) * [BASH Programming (2000)](http://tldp.org/HOWTO/Bash-Prog-Intro-HOWTO.html) - Mike G. (HTML) * [Bash Reference Manual](http://www.gnu.org/software/bash/manual/bashref.html) (HTML) * [Bash tutorial](https://web.archive.org/web/20180328183806/http://gdrcorelec.ups-tlse.fr/files/bash.pdf) - Anthony Scemama (PDF) * [BashGuide](http://mywiki.wooledge.org/BashGuide) - Maarten Billemont (HTML) [(PDF)](http://s.ntnu.no/bashguide.pdf) * [Conquering the Command Line](http://conqueringthecommandline.com/book/frontmatter) - Mark Bates (HTML) * [Getting Started with BASH](http://www.hypexr.org/bash_tutorial.php) (HTML) * [Google Shell Style Guide](https://google.github.io/styleguide/shell.xml) - Paul Armstrong (HTML) * [Introduction to the Command Line](https://launchschool.com/books/command_line) - Launch School (HTML) * [Linux Shell Scripting Tutorial - A Beginner's Handbook (2002)](http://www.freeos.com/guides/lsst/) - Vivek G. Gite (HTML) * [Linux Shell Scripting Tutorial (LSST) v2.0](https://bash.cyberciti.biz/guide/Main_Page) - Vivek Gite (HTML) * [Slackbook (2005)](http://slackbook.org) - Alan Hicks, Chris Lumens, David Cantrell and Logan Johnson (HTML, DocBook, Postscript, PDF) * [The Bash Academy](http://guide.bash.academy) - Maarten Billemont (HTML) * [The Linux Command Line](http://linuxcommand.org/tlcl.php) - William E. Shotts, Jr. (PDF) * [Writing Shell Scripts](http://linuxcommand.org/lc3_writing_shell_scripts.php) - William E. Shotts, Jr. (HTML) ### Basic * [10 PRINT CHR$(205.5+RND(1)); : GOTO 10](http://10print.org) - Nick Montfort, Patsy Baudoin, John Bell, Ian Bogost, Jeremy Douglass, Mark C. Marino, Michael Mateas, Casey Reas, Mark Sample, Noah Vawter * [A beginner's guide to Gambas](http://distro.ibiblio.org/vectorlinux/Uelsk8s/GAMBAS/gambas-beginner-guide.pdf) - John W. Rittinghouse (PDF) * [Pick/Basic: A Programmer's Guide](http://www.jes.com/pb/) - Jonathan E. Sisk * [Visual Basic Essentials](http://www.techotopia.com/index.php/Visual_Basic_Essentials) ### BETA * [Object-Oriented Programming in the BETA Programming Language](https://beta.cs.au.dk/Books/) - Ole Lehrmann Madsen, Birger Møller-Pedersen, Kristen Nygaard ### Blazor * [Blazor for ASP.NET Web Forms Developers](https://dotnet.microsoft.com/download/e-book/blazor-for-web-forms-devs/pdf) - Daniel Roth, Jeff Fritz, Taylor Southwick (PDF) ### C * [256-Color VGA Programming in C](http://www.brackeen.com/vga/) - David Brackeen * [A Tutorial on Pointers and Arrays in C](https://web.archive.org/web/20180827131006/http://home.earthlink.net/~momotuk/pointers.pdf) - Ted Jensen (PDF) * [An Introduction to C & GUI Programming](https://www.raspberrypi.org/magpi-issues/C_GUI_Programming.pdf) - Simon Long (PDF) * [Bare-metal programming for ARM](https://github.com/umanovskis/baremetal-arm) - Daniels Umanovskis [(PDF)](http://umanovskis.se/files/arm-baremetal-ebook.pdf) * [Beej's Guide to C Programming](http://beej.us/guide/bgc/) - B. Hall * [Beej's Guide to Network Programming - Using Internet Sockets](http://beej.us/guide/bgnet/) - B. Hall * [Build Your Own Lisp](http://www.buildyourownlisp.com) - Daniel Holden * [C Elements of Style](http://www.oualline.com/books.free/style/) - Steve Oualline * [C for Python Programmers - Carl Burch](http://www.toves.org/books/cpy/) * [C Notes](https://goalkicker.com/CBook) (PDF) * [C Programming](https://en.wikibooks.org/wiki/Programming%3AC) - Wikibooks * [C Programming Boot Camp - Paul Gribble](http://www.gribblelab.org/CBootCamp/) * [Deep C](http://www.slideshare.net/olvemaudal/deep-c) * [Essential C](http://cslibrary.stanford.edu/101/EssentialC.pdf) (PDF) * [Everything you need to know about pointers in C - Peter Hosey](http://boredzo.org/pointers/) * [Functional C (1997)](https://research.utwente.nl/files/5128727/book.pdf) - Pieter H. Hartel, Henk Muller (PDF) * [Hashing](https://www.smashwords.com/books/view/737188) - Prakash Hegade * [Learn to Code With C - The MagPi Essentials](https://www.raspberrypi.org/magpi-issues/Essentials_C_v1.pdf) (PDF) * [Learning GNU C](https://download-mirror.savannah.gnu.org/releases/c-prog-book/learning_gnu_c.pdf) - Ciaran O’Riordan (PDF) * [Modeling with Data](https://ben.klemens.org/pdfs/gsl_stats.pdf) - Ben Klemens (PDF) * [Modern C](https://modernc.gforge.inria.fr) - Jens Gustedt (PDF) * [Object-Oriented Programming With ANSI-C](http://www.planetpdf.com/codecuts/pdfs/ooc.pdf) (PDF) * [Programming in C](http://ee.hawaii.edu/~tep/EE160/Book/PDF/) - Bharat Kinariwala & Tep Dobry * [Programming in C](https://www.freetechbooks.com/programming-in-c-t1337.html) - Kishori Mundargi * [Structures and C](https://www.smashwords.com/books/view/644937) - Prakash Hegade * [The C book](http://publications.gbdirect.co.uk/c_book/) * [The Craft of Text Editing or A Cookbook for an Emacs](http://www.finseth.com/craft/) - Craig A. Finseth * [The Current C Programming Language Standard – ISO/IEC 9899:2018 (C17/C18), Draft](https://web.archive.org/web/20181230041359/http://www.open-std.org/jtc1/sc22/wg14/www/abq/c17_updated_proposed_fdis.pdf) - Open Standards Org - www.open-std.org (PDF) * [The GNU C Programming Tutorial](http://www.crasseux.com/books/ctut.pdf) (PDF) * [The little book about OS development](http://littleosbook.github.io) - Erik Helin, Adam Renberg * [The New C Standard - An Economic and Cultural commentary (2009)](http://www.knosof.co.uk/cbook/cbook.html) - Derek M. Jones (PDF) * [TONC GBA Programming - Game Boy Advance Development](http://www.coranac.com/tonc/text/toc.htm) ### C Sharp * [C# Essentials](http://www.techotopia.com/index.php/C_Sharp_Essentials) * [C# Notes](https://goalkicker.com/CSharpBook) (PDF) * [C# Notes for Professionals](http://books.goalkicker.com/CSharpBook/) - Compiled from StackOverflow documentation (3.x) * [C# Programming](https://en.wikibooks.org/wiki/C_Sharp_Programming) - Wikibooks * [C# Programming Yellow Book](https://www.robmiles.com/s/CSharp-Book-2019-Refresh.pdf) - Rob Miles (PDF)(2019) * [C# Smorgasbord](https://www.filipekberg.se) - Filip Ekberg (HTML) [(PDF, EPUB, MOBI)](https://www.filipekberg.se/2018/04/02/csharp-smorgasbord-free/) (2018) * [C# Tips](https://leanpub.com/cstips) - Jason Roberts *(Leanpub account or valid email requested)* * [Creating Mobile Apps with Xamarin.Forms C#](https://developer.xamarin.com/guides/xamarin-forms/creating-mobile-apps-xamarin-forms/) * [Daily Design Patterns](https://web.archive.org/web/20170930132000/https://www.exceptionnotfound.net/downloads/dailydesignpattern.pdf) - Matthew P Jones (PDF) * [Data Structures and Algorithms with Object-Oriented Design Patterns in C#](https://web.archive.org/web/20161220072449/http://www.brpreiss.com/books/opus6/) - Bruno Preiss * [Dissecting a C# Application](https://damieng.com/blog/2007/11/08/dissecting-a-c-application-inside-sharpdevelop) - Christian Holm, Bernhard Spuida, Mike Kruger * [Fundamentals of Computer Programming with C#](http://www.introprogramming.info/english-intro-csharp-book/read-online/) - Svetlin Nakov * [High level asynchronous programming with Reactive Extensions](https://github.com/petroemil/Rx.Book) - Emil Petro * [Introduction to Rx](http://www.introtorx.com) * [Learn C# in Y Minutes](https://learnxinyminutes.com/docs/csharp/) * [Mastering Xamarin UI Development, Second Edition](https://www.packtpub.com/free-ebooks/mastering-xamarin-ui-development-second-edition) - Steven F. Daniel (Packt account *required*) * [Object Oriented Programming using C#](http://bookboon.com/en/object-oriented-programming-using-c-sharp-ebook) - Simon Kendal, Bookboon. (email address *requested*, not required) * [Threading in C#](http://www.albahari.com/threading/) * [Xamarin.Forms for macOS Succinctly](https://www.syncfusion.com/ebooks/xamarin_forms_for_mac_os_succinctly) - Alessandro Del Sole * [Xamarin.Forms Succinctly](https://www.syncfusion.com/ebooks/xamarin-forms-succinctly) - Alessandro Del Sole ### C++ * [C++ Annotations](https://fbb-git.gitlab.io/cppannotations/) * [C++ Core Guidelines](https://github.com/isocpp/CppCoreGuidelines/blob/master/CppCoreGuidelines.md) - Editors: Bjarne Stroustrup, Herb Sutter * [C++ GUI Programming With Qt 3](http://www.computer-books.us/cpp_0010.php) * [C++ Language](http://www.cplusplus.com/doc/tutorial/) * [C++ Notes](https://goalkicker.com/CPlusPlusBook) (PDF) * [C++ Succinctly, Syncfusion](https://www.syncfusion.com/resources/techportal/ebooks/cplusplus) (PDF, Kindle) (email address *requested*, not required) * [C++ Tricks](http://www.bordoon.com/cplusplus/book_wrapper.html) * [CS106X Programming Abstractions in C++](http://web.stanford.edu/class/cs106x/) * [Elements of Programming](http://elementsofprogramming.com) - Alexander Stepanov and Paul McJones - (PDF) * [Financial Numerical Recipes in C++](http://finance.bi.no/~bernt/gcc_prog/recipes/) - Bernt Arne Ødegaard * [Game Programming Patterns](http://gameprogrammingpatterns.com) * [Google's C++ Style Guide](https://google.github.io/styleguide/cppguide.html) * [Hands-On System Programming with C++](https://www.packtpub.com/free-ebooks/hands-system-programming-c) - Dr. Rian Quinn (Packt account *required*) * [How to make an Operating System](https://www.gitbook.com/book/samypesse/how-to-create-an-operating-system/details) - Samy Pesse * [How To Think Like a Computer Scientist: C++ Version](http://greenteapress.com/thinkcpp/index.html) - Allen B. Downey * [Introduction to Design Patterns in C++ with Qt](http://ptgmedia.pearsoncmg.com/images/9780131879058/downloads/0131879057_Ezust_book.pdf) (PDF) * [Joint Strike Fighter, C++ Coding Standards, by Bjarne Stroustrup](http://www.stroustrup.com/JSF-AV-rules.pdf) (PDF) * [Learn C++.](http://www.learncpp.com) (Online) * [Matters Computational: Ideas, Algorithms, Source Code, by Jorg Arndt](http://www.jjj.de/fxt/fxtbook.pdf) (PDF) * [Open Data Structures (In C++)](http://opendatastructures.org/ods-cpp.pdf) (PDF) * [Software Design Using C++](http://cis.stvincent.edu/html/tutorials/swd/) - Br. David Carlson and Br. Isidore Minerd * [Software optimization resources by Agner Fog](http://www.agner.org/optimize/) * [The Boost C++ libraries](http://theboostcpplibraries.com) * [The Rook's Guide to C++](http://rooksguide.org/2013/11/26/version-1-0-is-out/) (PDF) * [The Ultimate Question of Programming, Refactoring, and Everything](https://www.gitbook.com/book/alexastva/the-ultimate-question-of-programming-refactoring-/details) * [Think C++: How To Think Like a Computer Scientist](https://greenteapress.com/wp/think-c/) - Allen B. Downey (PDF) * [Thinking in C++, Second Edition, Vol. 1.](https://archive.org/details/TICPP2ndEdVolOne) - Bruce Eckel [(Vol. 2)](https://archive.org/details/TICPP2ndEdVolTwo) ### Chapel * [Chapel Tutorial](http://faculty.knox.edu/dbunde/teaching/chapel/) * [Chapel Tutorial for Programmers](http://web.archive.org/web/20150310075109/http://cs.colby.edu/kgburke/?resource=chapelTutorial) ### Cilk * [Cilk 5.4.6 Reference Manual](http://supertech.csail.mit.edu/cilk/manual-5.4.6.pdf) (PDF) ### Clojure * [A Brief Beginner’s Guide To Clojure](http://www.unexpected-vortices.com/clojure/brief-beginners-guide/) * [Clojure - Functional Programming for the JVM](http://java.ociweb.com/mark/clojure/article.html) - R. Mark Volkmann * [Clojure by Example](https://kimh.github.io/clojure-by-example/) - Hirokuni Kim * [Clojure community-driven documentation](http://clojure-doc.org) * [Clojure Cookbook](https://github.com/clojure-cookbook/clojure-cookbook) * [Clojure Distilled Beginner Guide](http://yogthos.github.io/ClojureDistilled.html) * [Clojure for the Brave and True](http://www.braveclojure.com) * [Clojure in Small Pieces](http://daly.axiom-developer.org/clojure.pdf) - Rich Hickey (PDF) * [Clojure Koans](http://clojurekoans.com) * [Clojure Programming](https://en.wikibooks.org/wiki/Clojure_Programming) - Wikibooks * [ClojureScript Koans](http://clojurescriptkoans.com) * [ClojureScript Unraveled](https://funcool.github.io/clojurescript-unraveled/) (HTML) * [Data Sorcery with Clojure](http://data-sorcery.org/contents/) * [Modern cljs](https://github.com/magomimmo/modern-cljs) * [SICP Distilled - An idiosyncratic tour of SICP in Clojure](http://www.sicpdistilled.com) * [The Clojure Style Guide](https://github.com/bbatsov/clojure-style-guide) ### COBOL * [COBOL Programming Fundamental](http://yusman.staff.gunadarma.ac.id/Downloads/files/33460/COBOL_Programming_Fundamental.pdf) (PDF) * [Enterprise COBOL for z/OS documentation library](http://www-01.ibm.com/support/docview.wss?uid=swg27036733) * [Introduction to the COBOL Language](https://supportline.microfocus.com/documentation/books/oc41books/lrintr.htm) * [OpenCOBOL 1.1 - Programmer's Guide](http://open-cobol.sourceforge.net/guides/OpenCOBOL%20Programmers%20Guide.pdf) (PDF) ### CoffeeScript * [CoffeeScript Cookbook](https://coffeescript-cookbook.github.io) * [CoffeeScript Ristretto](https://leanpub.com/coffeescript-ristretto/read) - Reginald Braithwaite *(Leanpub account or valid email requested)* * [Smooth CoffeeScript](http://autotelicum.github.io/Smooth-CoffeeScript/SmoothCoffeeScript.html) * [The Little Book on CoffeeScript](http://arcturo.github.io/library/coffeescript/) ### ColdFusion * [CFML In 100 Minutes](https://github.com/mhenke/CFML-in-100-minutes/blob/master/cfml100mins.markdown) - J. Casimir * [Learn CF in a Week](http://learncfinaweek.com) ### Component Pascal * [Computing Fundamentals](http://www.cslab.pepperdine.edu/warford/ComputingFundamentals/) - Stan Warford (PDF) ### Cool * [CoolAid: The Cool 2013 Reference Manual](https://www.eecis.udel.edu/~cavazos/cisc672/docs/cool-manual.pdf) (PDF) ### Coq * [Certified Programming with Dependent Types](http://adam.chlipala.net/cpdt/html/toc.html) * [Software Foundations](http://www.cis.upenn.edu/~bcpierce/sf/) ### Crystal * [Crystal for Rubyists](http://www.crystalforrubyists.com) ### CUDA * [CUDA C Best Practices Guide](https://docs.nvidia.com/pdf/CUDA_C_Best_Practices_Guide.pdf) (PDF) * [CUDA C Programming Guide](https://docs.nvidia.com/pdf/CUDA_C_Programming_Guide.pdf) (PDF) * [OpenCL Programming Guide for CUDA Architecture](http://www.nvidia.com/content/cudazone/download/OpenCL/NVIDIA_OpenCL_ProgrammingGuide.pdf) (PDF) ### D * [D Templates Tutorial](https://github.com/PhilippeSigaud/D-templates-tutorial) * [Programming in D](http://ddili.org/ders/d.en/) ### Dart * [Learning Dart](https://riptutorial.com/Download/dart.pdf) (PDF) ### DB2 * [Getting started with DB2 Express-C](http://public.dhe.ibm.com/software/dw/db2/express-c/wiki/Getting_Started_with_DB2_Express_v9.7_p4.pdf) (PDF) * [Getting started with IBM Data Studio for DB2](http://public.dhe.ibm.com/software/dw/db2/express-c/wiki/Getting_Started_with_IBM_Data_Studio_for_DB2_p3.pdf) (PDF) * [Getting started with IBM DB2 development](http://public.dhe.ibm.com/software/dw/db2/express-c/wiki/Getting_Started_with_DB2_App_Dev_p2.pdf) (PDF) ### Delphi / Pascal * [Essential Pascal Version 1 and 2](http://www.marcocantu.com/epascal/) - M. Cantù * [Expert Delphi](https://www.packtpub.com/free-ebooks/expert-delphi) - Paweł Głowacki (Packt account *required*) ### DTrace * [IllumOS Dynamic Tracing Guide](http://dtrace.org/guide/preface.html) ### Elasticsearch * [Elasticsearch: The Definitive Guide](https://www.elastic.co/guide/en/elasticsearch/guide/current/index.html) ([fork it on GH](https://github.com/elastic/elasticsearch-definitive-guide)) * [Exploring Elasticsearch](http://exploringelasticsearch.com) ### Eiffel * [A Functional Pattern System for Object-Oriented Design](http://homepages.mcs.vuw.ac.nz/~tk/fps/fps-sans-escher.pdf) - Thomas Kuhne (PDF) ### Elixir * [30 Days of Elixir](https://github.com/seven1m/30-days-of-elixir) - Tim Morgan (HTML) * [Elixir School](https://elixirschool.com) (HTML) * [Elixir Succinctly, Syncfusion](https://www.syncfusion.com/ebooks/elixir-succinctly) (PDF, Kindle) (email address requested, not required) * [Getting Started Guide](http://elixir-lang.org/getting-started/introduction.html) (HTML) [(PDF, MOBI, EPUB)](https://github.com/potatogopher/elixir-getting-started) * [Joy of Elixir](https://joyofelixir.com) - Ryan Bigg (HTML) - [Source](https://github.com/radar/joyofelixir) (:construction: *in process*) * [Learning Elixir](http://learningelixir.joekain.com) - Joseph Kain Blog (HTML) * [The Ultimate Guide To Elixir For Object-Oriented Programmers](http://www.binarywebpark.com/ultimate-guide-elixir-object-oriented-programmers) - Bruce Park (HTML) #### Ecto * [Ecto Getting Started Guide](https://hexdocs.pm/ecto/getting-started.html#content) (HTML) #### Phoenix * [Phoenix Framework Guide](https://hexdocs.pm/phoenix/overview.html) (HTML) * [Versioned APIs with Phoenix](https://elviovicosa.com/freebies/versioned-apis-with-phoenix-by-elvio-vicosa.pdf) - Elvio Vicosa (PDF) ### Emacs * [An Introduction to Programming in Emacs Lisp, 3rd Edition](https://www.gnu.org/software/emacs/manual/html_node/eintr/index.html) * [Emacs for the Modern World](https://www.finseth.com/craft/) (HTML) * [GNU Emacs Lisp Reference Manual](http://www.gnu.org/software/emacs/manual/elisp.html) * [GNU Emacs Manual](https://www.gnu.org/software/emacs/manual/pdf/emacs.pdf) (PDF) ### Embedded Systems * [Control and Embedded Systems](http://www.learn-c.com) (HTML) * [Discovering the STM32 Microcontroller](http://www.cs.indiana.edu/~geobrown/book.pdf) (PDF) * [First Steps with Embedded Systems](https://www.phaedsys.com/principals/bytecraft/bytecraftdata/bcfirststeps.pdf) - Byte Craft Limited (PDF) * [Introduction to Embedded Systems, Second Edition](https://ptolemy.berkeley.edu/books/leeseshia/releases/LeeSeshia_DigitalV2_2.pdf) - Edward Ashford Lee, Sanjit Arunkumar Seshia (PDF) * [Introduction to Microcontrollers](http://www.embeddedrelated.com/showarticle/453.php) (HTML) ### Erlang * [BEAM Wisdoms](http://beam-wisdoms.clau.se/en/latest/) (HTML) * [Concurrent Programming in ERLANG](http://www.erlang.org/download/erlang-book-part1.pdf) (PDF) * [Erlang Handbook](https://github.com/esl/erlang-handbook/raw/master/output/ErlangHandbook.pdf) (PDF) * [Erlang Programming](https://en.wikibooks.org/wiki/Erlang_Programming) - Wikibooks (HTML) * [Getting Started with Erlang User's Guide](http://www.erlang.org/doc/getting_started/users_guide.html) (HTML) * [Learn You Some Erlang For Great Good](http://learnyousomeerlang.com) - Frederic Trottier-Hebert * [Making reliable distributed systems in the presence of software errors](http://www.erlang.org/download/armstrong_thesis_2003.pdf) - Joe Armstrong (PDF) * [Stuff Goes Bad: Erlang in Anger](https://www.erlang-in-anger.com) - Fred Herbert (PDF) * [The BEAM Book](https://blog.stenmans.org/theBeamBook) (HTML) ### ESP8266 * [Kolban's book on the ESP32 & ESP8266](https://leanpub.com/ESP8266_ESP32) *(Leanpub account or valid email requested)* ### F Sharp * [Analyzing and Visualizing Data with F#](https://www.oreilly.com/programming/free/files/analyzing-visualizing-data-f-sharp.pdf) (PDF) * [F# for fun and profit](https://www.gitbook.com/book/swlaschin/fsharpforfunandprofit/details) (ePub) * [F# Programming](https://en.wikibooks.org/wiki/F_Sharp_Programming) - Wikibooks * [F# Succinctly, SyncFusion](https://www.syncfusion.com/resources/techportal/ebooks/fsharp) (PDF, Kindle) (email address *requested*, not required) * [Functional Programming Textbook](https://www.overleaf.com/read/hcwwdfxvftfp) - Yusuf M Motara (PDF) * [Programming Language Concepts for Software Developers](https://archive.org/details/B-001-003-622) ### Firefox OS * [Quick Guide For Firefox OS App Development: Creating HTML5 based apps for Firefox OS](https://leanpub.com/quickguidefirefoxosdevelopment/read) - Andre Garzia ### Flutter * [Cookbook](https://flutter.dev/docs/cookbook) * [Flutter Succinctly, Syncfusion](https://www.syncfusion.com/ebooks/flutter-succinctly) (PDF, Kindle) (email address *requested*, not required) * [Flutter Tutorial](https://www.tutorialspoint.com/flutter/flutter_tutorial.pdf) (PDF) * [Flutter Tutorials Handbook](https://kodestat.gitbook.io/flutter) ### Force.com * [Apex Workbook](https://web.archive.org/web/20170102233924/https://resources.docs.salesforce.com/sfdc/pdf/apex_workbook.pdf) (PDF) * [Developer Workbooks](http://developer.force.com/workbook) * [Force.com Fundamentals](http://developerforce.s3.amazonaws.com/books/Force.com_Fundamentals.pdf) (PDF) * [Force.com Platform Fundamentals: An Introduction to Custom Application Development in the Cloud](http://www.lulu.com/shop/salesforcecom/forcecom-platform-fundamentals/ebook/product-17381451.html) * [Force.com Workbook](https://web.archive.org/web/20160804055738/http://resources.docs.salesforce.com:80/sfdc/pdf/forcecom_workbook.pdf) (PDF) * [Heroku Postgres](https://web.archive.org/web/20131209081736/http://media.developerforce.com/workbooks/HerokuPostgres_Workbooks_Web_Final.pdf) (PDF) * [Heroku Workbook](https://res.cloudinary.com/hy4kyit2a/image/upload/workbook_text_Heroku.pdf) (PDF) * [Integration Workbook](https://web.archive.org/web/20150919023850/https://resources.docs.salesforce.com/sfdc/pdf/integration_workbook.pdf) (PDF) * [Salesforce1 Mobile App Workbook](https://res.cloudinary.com/hy4kyit2a/image/upload/s1_mobile_woorkbook_v3-21.pdf) (PDF) * [Visualforce Workbook](https://web.archive.org/web/20150921195528/https://resources.docs.salesforce.com/sfdc/pdf/workbook_vf.pdf) (PDF) ### Forth * [A Beginner's Guide to Forth](https://web.archive.org/web/20180919061255/http://galileo.phys.virginia.edu/classes/551.jvn.fall01/primer.htm) - J.V. Noble * [And so Forth...](http://ficl.sourceforge.net/pdf/Forth_Primer.pdf) (PDF) * [Programming Forth](http://www.mpeforth.com/arena/ProgramForth.pdf) (PDF) * [Starting Forth](http://home.iae.nl/users/mhx/sf.html) * [Thinking Forth](http://thinking-forth.sourceforge.net) * [Thoughtful Programming and Forth](http://www.ultratechnology.com/forth.htm) ### Fortran * [Introduction to fortran 95 and numerical computing: a jump-start for scientists and engineers](http://people.cs.vt.edu/~asandu/Deposit/Fortran95_notes.pdf) (PDF) * [Self Study Guide: Programming in Fortran 95](http://www.mrao.cam.ac.uk/~rachael/compphys/SelfStudyF95.pdf) (PDF) ### FreeBSD * [Books and Articles from FreeBSD Site](http://www.freebsd.org/docs/books.html) * [The Complete FreeBSD](http://www.lemis.com/grog/Documentation/CFBSD/) * [Using C on the UNIX System](http://www.bitsinthewind.com/about-dac/publications/using-c-on-the-unix-system) - David A. Curry ### Git * [A Visual Git Reference](http://marklodato.github.io/visual-git-guide/index-en.html) - Mark Lodato * [Conversational Git](http://blog.anvard.org/conversational-git/) * [git - the simple guide](http://rogerdudler.github.io/git-guide/) * [Git for Computer Scientists](http://eagain.net/articles/git-for-computer-scientists/) * [Git From The Bottom Up](https://jwiegley.github.io/git-from-the-bottom-up/) - J. Wiegley * [Git Immersion](http://gitimmersion.com) * [Git In The Trenches](http://cbx33.github.io/gitt/index.html) * [Git internals](https://github.com/pluralsight/git-internals-pdf/raw/master/drafts/peepcode-git.pdf) - Scott Chacon (PDF) * [Git Magic](http://www-cs-students.stanford.edu/~blynn/gitmagic/) * [Git Notes](http://books.goalkicker.com/GitBook) (PDF) * [Git Pocket Guide](https://www.oreilly.com/library/view/git-pocket-guide/9781449327507) - Richard E. Silverman * [Git Reference](https://web.archive.org/web/20170602211147/http://gitref.org/) * [Git Succinctly, Syncfusion](https://www.syncfusion.com/resources/techportal/ebooks/git) (PDF, Kindle) (email address *requested*, not required) * [Git Workflows](http://documentup.com/skwp/git-workflows-book) * [How to Collaborate on Github](https://github.com/eonist/How-to-collaborate-on-github) - André J * [Intoduction to Git and Github](https://launchschool.com/books/git) - Launch School * [Intoduction to Git and Github - Tutorial](http://cse.unl.edu/~cbourke/gitTutorial.pdf) - Dr. Chris Bourke (PDF) * [Learn Git - Learn Version Control with Git](http://www.git-tower.com/learn/git/ebook/command-line/introduction) - Tobias Günther * [Pro Git](http://git-scm.com/book/en/v2) - Scott Chacon * [Pro Git Reedited](https://leanpub.com/progitreedited/read) - Jon Forrest * [Ry's Git Tutorial](https://web.archive.org/web/20161121145226/http://rypress.com:80/tutorials/git/index) - Ryan Hodson * [Think Like (a) Git: A Guide for the Perplexed](http://think-like-a-git.net) ### Go * [An Introduction to Programming in Go](http://www.golang-book.com) * [Build Web Application with Golang](https://astaxie.gitbooks.io/build-web-application-with-golang/content/en/) * [Building Web Apps with Go](https://codegangsta.gitbooks.io/building-web-apps-with-go/content/) * [Effective Go](https://golang.org/doc/effective_go.html) * [Go 101](https://go101.org/article/101.html) - [@TapirLiu](https://twitter.com/TapirLiu) * [Go Bootcamp](http://www.golangbootcamp.com/book) - Matt Aimonetti * [Go by Example](https://gobyexample.com) * [Go for Javascript Developers](https://github.com/bulim/go-for-javascript-developers) * [How To Code in Go](https://www.digitalocean.com/community/books/how-to-code-in-go-ebook) - Mark Bates, Cory Lanou, and Timothy J. Raymond (PDF, EPUB) * [Learn Go with Tests](https://quii.gitbook.io/learn-go-with-tests/) * [Learning Go](https://miek.nl/go/) * [Let's learn Go!](http://go-book.readthedocs.io/en/latest/) * [Practical Cryptography With Go](https://leanpub.com/gocrypto/read) - Kyle Isom * [The Go Tutorial](http://tour.golang.org) * [The Little Go Book](https://github.com/karlseguin/the-little-go-book) * [Web apps in Go, the anti textbook](https://github.com/thewhitetulip/web-dev-golang-anti-textbook/) ### Groovy #### Gradle * [Building Java Projects with Gradle](http://spring.io/guides/gs/gradle/) * [Gradle Succinctly](https://www.syncfusion.com/ebooks/gradle_succinctly) - José Roberto Olivas Mendoza * [Gradle User Guide](https://docs.gradle.org/current/userguide/userguide.html) - Hans Dockter, Adam Murdoch ([PDF](https://docs.gradle.org/current/userguide/userguide.pdf)) #### Grails * [Getting Started with Grails](http://www.infoq.com/minibooks/grails-getting-started) * [Grails Tutorial for Beginners](http://grails.asia/grails-tutorial-for-beginners/) * [The Grails Framework - Reference Documentation](http://grails.github.io/grails-doc/latest/) - Graeme Rocher, Peter Ledbrook, Marc Palmer, Jeff Brown, Luke Daley, Burt Beckwith, Lari Hotari ([PDF](http://grails.github.io/grails-doc/latest/guide/single.pdf)) #### Spock Framework * [Spock Framework Reference Documentation](https://spockframework.github.io/spock/docs/current/index.html) - Peter Niederwieser ### Hack * [Hack Documentation](https://docs.hhvm.com/hack/) ### Hadoop * [Big Data Analytics with Hadoop 3](https://www.packtpub.com/free-ebooks/big-data-analytics-hadoop-3) - Sridhar Alla (Packt account *required*) * [Cloudera Impala](https://docs.cloudera.com/documentation/enterprise/latest/PDF/cloudera-impala.pdf) - John Russel (PDF) * [Data-Intensive Text Processing with MapReduce](http://lintool.github.io/MapReduceAlgorithms/MapReduce-book-final.pdf) (Jimmy Lin and Chris Dyer) (PDF) * [Hadoop for Windows Succinctly](https://www.syncfusion.com/ebooks/hadoop-for-windows-succinctly) - Dave Vickers * [Hadoop Illuminated](http://hadoopilluminated.com/index.html) - Mark Kerzner & Sujee Maniyam ### Haskell * [A Gentle Introduction to Haskell](https://www.haskell.org/tutorial/) * [Anatomy of Programming Languages](http://www.cs.utexas.edu/~wcook/anatomy/) - William R. Cook * [Beautiful Code, Compelling Evidence](https://web.archive.org/web/20160411023943/http://www.renci.org/wp-content/pub/tutorials/BeautifulCode.pdf) - J.R. Heard (PDF) * [Exploring Generic Haskell](http://www.andres-loeh.de/ExploringGH.pdf) - Andres Löh (PDF) * [Happy Learn Haskell Tutorial](http://www.happylearnhaskelltutorial.com) * [Haskell](https://en.wikibooks.org/wiki/Haskell) - Wikibooks * [Haskell and Yesod](http://www.yesodweb.com/book-1.4) * [Haskell no panic](http://lisperati.com/haskell/) * [Haskell Notes for Professionals](https://goalkicker.com/HaskellBook/) - Compiled from StackOverflow documentation (PDF) * [Haskell web Programming](http://yannesposito.com/Scratch/fr/blog/Yesod-tutorial-for-newbies/) (Yesod tutorial) * [Learn Haskell Fast and Hard](http://yannesposito.com/Scratch/en/blog/Haskell-the-Hard-Way/) * [Learn You a Haskell for Great Good](http://learnyouahaskell.com) - Miran Lipovaca * [Parallel and Concurrent Programming in Haskell](https://www.oreilly.com/library/view/parallel-and-concurrent/9781449335939/) - Simon Marlow * [Real World Haskell](http://book.realworldhaskell.org) * [Speeding Through Haskell](http://www.sthaskell.com) * [What I Wish I Knew When Learning Haskell](http://dev.stephendiehl.com/hask/) - Stephen Diehl (PDF) * [Wise Man's Haskell](https://anchpop.github.io/wise_mans_haskell/) - Andre Popovitch * [Yet Another Haskell Tutorial](http://hal3.name/docs/daume02yaht.pdf) (PDF) ### Haxe * [Flambe Handbook](https://github.com/markknol/flambe-guide/wiki) * [Haxe and JavaScript](https://matthijskamstra.github.io/haxejs/) - Matthijs Kamstra (wikibook) * [Haxe Manual](http://haxe.org/documentation/introduction/) - Haxe Foundation (PDF, HTML) * [HaxeFlixel Handbook](http://haxeflixel.com/documentation/haxeflixel-handbook/) (HTML) * [Kha Handbook](https://github.com/KTXSoftware/Kha/wiki/Tutorials) ### HTML / CSS * [A beginner's guide to HTML&CSS](http://learn.shayhowe.com/html-css/) * [A free guide to learn HTML and CSS](http://marksheet.io) * [Adaptive Web Design](http://adaptivewebdesign.info/1st-edition/) - Aaron Gustafson * [An advanced guide to HTML&CSS](http://learn.shayhowe.com/advanced-html-css/) * [Atomic Design](https://atomicdesign.bradfrost.com) - Brad Frost * [Canvassing](https://web.archive.org/web/20160505010319/http://learnjs.io/canvassing/read/) * [Code Guide: Standards for developing flexible, durable, and sustainable HTML and CSS](http://mdo.github.io/code-guide/) - Mark Otto * [CSS Animation 101](https://github.com/cssanimation/css-animation-101) * [CSS Notes for Professionals](http://goalkicker.com/CSSBook) (PDF) * [Dive Into HTML5](http://diveinto.html5doctor.com) - Mark Pilgrim ([PDF](http://mislav.net/2011/10/dive-into-html5/)) * [GA Dash](https://dash.generalassemb.ly) * [Google's HTML/CSS Style Guide](https://google.github.io/styleguide/htmlcssguide.html) * [How to Code in HTML5 and CSS3](https://web.archive.org/web/20180816174417/http://howtocodeinhtml.com/HowToCodeInHTML5AndCSS3.pdf) - Damian Wielgosik (PDF) * [HTML Canvas Deep Dive](http://joshondesign.com/p/books/canvasdeepdive/toc.html) - Josh Marinacci * [HTML Dog Tutorials](http://www.htmldog.com) * [HTML5 Canvas](https://www.oreilly.com/library/view/html5-canvas/9781449308032/ch01.html) - Steve Fulton & Jeff Fulton * [HTML5 for Publishers](https://www.oreilly.com/library/view/html5-for-publishers/9781449320065/pr02.html) - Sanders Kleinfeld * [HTML5 For Web Designers](http://html5forwebdesigners.com) - Jeremy Keith * [HTML5 Notes for Professionals](http://books.goalkicker.com/HTML5Book/) - Compiled from StackOverflow documentation (3.x) * [HTML5 Shoot 'em Up in an Afternoon](https://leanpub.com/html5shootemupinanafternoon/read) - Bryan Bibat * [Interneting is Hard (But it Doesn't Have to Be)](https://www.internetingishard.com) - Oliver James * [Learn CSS Layout](http://learnlayout.com) * [Learn CSS Layout the pedantic way](http://book.mixu.net/css/) * [Learn to Code HTML & CSS](https://learn.shayhowe.com) - Shay Howe * [Magic of CSS](https://adamschwartz.co/magic-of-css/) - Adam Schwartz (HTML) (:construction: *in process*) * [MaintainableCSS](http://maintainablecss.com) * [Pocket Guide to Writing SVG](https://svgpocketguide.com) - Joni Trythall * [Pro HTML5 Programming](https://web.archive.org/web/20181215200026/http://apress.jensimmons.com/v5/pro-html5-programming/ch0.html) - Jen Simmons, Chris O'Connor, Dylan Wooters, Peter Lubbers * [Scalable and Modular Architecture for CSS](https://web.archive.org/web/20191116073929/http://smacss.com/) - Jonathan Snook * [Understanding Flexbox: Everything you need to know](https://ohansemmanuel.github.io/uf_download.html) - Ohans Emmanuel * [W3.CSS Succinctly](https://www.syncfusion.com/ebooks/w3_css_succinctly) - Joseph D. Booth * [Web Audio API](http://chimera.labs.oreilly.com/books/1234000001552) - Boris Smus * [Web Visual Effects with CSS3](https://leanpub.com/web-visual-effects-with-css3/read) - Thomas Mak #### Bootstrap * [Twitter Bootstrap 3 Succinctly](https://www.syncfusion.com/resources/techportal/details/ebooks/twitterbootstrap3) - Peter Shaw * [Twitter Bootstrap 4 Succinctly](https://www.syncfusion.com/ebooks/twitterbootstrap4-succinctly) - Peter Shaw * [Twitter Bootstrap Succinctly](https://www.syncfusion.com/resources/techportal/details/ebooks/twitterbootstrap) - Peter Shaw #### HTTP * [Introduction to HTTP](https://launchschool.com/books/http) - Launch School ### Idris * [Gentle Introduction to Dependent Types with Idris](https://leanpub.com/gidti) - Boro Sitnikovski *(Leanpub account or valid email requested)* ### Icon * [The Implementation of the Icon Programming Language](http://www.cs.arizona.edu/icon/ibsale.htm) ### iOS * [Cocoa Dev Central](http://cocoadevcentral.com) * [iOS 8 App Development Essentials](http://www.techotopia.com/index.php/IOS_8_App_Development_Essentials) * [iOS Succinctly, Syncfusion](https://www.syncfusion.com/resources/techportal/ebooks/ios) (PDF, Kindle) (email address *requested*, not required) * [NSHipster](http://nshipster.com/#archive) (Resource) * [Start Developing iOS Apps (Swift)](https://developer.apple.com/library/prerelease/ios/referencelibrary/GettingStarted/DevelopiOSAppsSwift/index.html) (HTML) * [Start Developing iOS Apps Today (Objective-C) - Last updated 22.10.2013](http://everythingcomputerscience.com/books/RoadMapiOS.pdf) (PDF) ### IoT * [IoT in five days- V1.1](https://github.com/marcozennaro/IPv6-WSN-book/tree/master/Releases) (PDF, EPUB) * [Mastering Internet of Things](https://www.packtpub.com/free-ebooks/mastering-internet-things) - Peter Waher (Packt account *required*) ### Isabelle/HOL * [Concrete Semantics - A Proof Assistant Approach by Tobias Nipkow and Gerwin Klein](http://www21.in.tum.de/~nipkow/Concrete-Semantics/) (PDF) * [Isabelle/HOL - A Proof Assistant for Higher-Order Logic by Tobias Nipkow and Lawrence C. Paulson and Markus Wenzel](http://isabelle.in.tum.de/doc/tutorial.pdf) (PDF) ### J * [Arithmetic by Kenneth E Iverson](http://www.jsoftware.com/books/pdf/arithmetic.pdf) (PDF) * [Brief Reference by Chris Burke and Clifford Reiter](http://www.jsoftware.com/books/pdf/brief.pdf) (PDF) * [Calculus by Kenneth E Iverson](http://www.jsoftware.com/books/pdf/calculus.pdf) (PDF) * [Computers and Mathematical Notation by Kenneth E Iverson](http://www.jsoftware.com/papers/camn.htm) * [Concrete Math Companion by Kenneth E Iverson](http://www.jsoftware.com/books/pdf/cmc.pdf) (PDF) * [Easy J by Linda Alvord, Norman Thomson](http://www.jsoftware.com/books/pdf/easyj.pdf) (PDF) ([Word DOC](http://www.jsoftware.com/books/doc/easyj_doc.zip)) * [Exploring Math by Kenneth E Iverson](http://www.jsoftware.com/books/pdf/expmath.pdf) (PDF) * [J for C Programmers by Henry Rich](http://www.jsoftware.com/help/jforc/contents.htm) * [J Primer](http://www.jsoftware.com/help/primer/contents.htm) * [Learning J by Roger Stokes- online](http://www.jsoftware.com/help/learning/contents.htm) * [Math for the Layman by Kenneth E Iverson](http://www.jsoftware.com/books/pdf/mftl.zip) (zipped html+images) ### Java * [3D Programming in Java](http://www.mat.uniroma2.it/~picard/SMC/didattica/materiali_did/Java/Java_3D/Java_3D_Programming.pdf) - Daniel Selman (PDF) * [Apache Jakarta Commons: Reusable Java Components](http://ptgmedia.pearsoncmg.com/images/0131478303/downloads/Iverson_book.pdf) - Will Iverson (PDF) * [Artificial Intelligence - Foundations of Computational Agents, Second Edition](https://artint.info/2e/html/ArtInt2e.html) - David L. Poole and Alan K. Mackworth * [Building Back-End Web Apps with Java, JPA and JSF](https://web-engineering.info/tech/JavaJpaJsf/book/) - Mircea Diaconescu, Gerd Wagner (HTML,PDF) * [Category wise tutorials - J2EE](https://www.mkyong.com/all-tutorials-on-mkyong-com/) - Yong Mook Kim * [Core Servlets and JavaServer Pages, 2nd Ed. (2003)](http://pdf.coreservlets.com) - Marty Hall and Larry Brown * [Data Structures in Java for the Principled Programmer (2007)](https://web.archive.org/web/20190302130416/http://dept.cs.williams.edu/~bailey/JavaStructures/Book_files/JavaStructures.pdf) - Duane A. Bailey (PDF) * [Google's Java Style Guide](https://google.github.io/styleguide/javaguide.html) * [Introduction to Computer Science "booksite"](https://introcs.cs.princeton.edu/java/cs/) - by Robert Sedgewick and Kevin Wayne (HTML) * [Introduction to Computer science using Java](http://www.programmedlessons.org/Java9/index.html) - Bradley Kjell * [Introduction to Programming in Java](http://introcs.cs.princeton.edu/java/home/) - Robert Sedgewick and Kevin Wayne * [Introduction to Programming Using Java](http://math.hws.edu/javanotes/) - David J. Eck * [Java Application Development on Linux (2005)](https://ptgmedia.pearsoncmg.com/images/013143697X/downloads/013143697X_book.pdf) - Carl Albing and Michael Schwarz (PDF) * [Java, Java, Java Object-Oriented Problem Solving](https://archive.org/details/JavaJavaJavaObject-orientedProblemSolving/page/n0) - R. Morelli and R.Walde * [Java Language and Virtual Machine Specifications](https://docs.oracle.com/javase/specs/) - James Gosling, et al * [Java Notes for Professionals](http://books.goalkicker.com/JavaBook/) - Compiled from StackOverflow documentation (3.x) * [Java Programming](https://en.wikibooks.org/wiki/Java_Programming/) - Wikibooks * [Java Programming for Kids](https://yfain.github.io/Java4Kids/) - Yakov Fain * [Java Projects, Second Edition](https://www.packtpub.com/free-ebooks/java-projects-second-edition) - Peter Verhas (Packt account *required*) * [Microservices Best Practices for Java](https://www.redbooks.ibm.com/redbooks/pdfs/sg248357.pdf) (PDF) * [Object-Oriented Programming in JavaTM Textbook](http://computing.southern.edu/halterman/OOPJ/) - Rick Halterman (PDF per Chapter) * [Object Oriented Programming using Java](https://bookboon.com/en/object-oriented-programming-using-java-ebook) - Simon Kendal (PDF) , Bookboon. (email address *requested*, not required) * [OOP - Learn Object Oriented Thinking & Programming](http://pub.bruckner.cz/titles/oop) - Rudolf Pecinovsky (PDF) * [Open Data Structures (in Java)](http://opendatastructures.org/ods-java.pdf) - Pat Morin (PDF) * [Playing with Java Microservices on Kubernetes and OpenShift](https://leanpub.com/playing-with-java-microservices-on-k8s-and-ocp) - Nebrass Lamouchi *(Leanpub account or valid email requested)* * [Processing XML with Java (A Guide to SAX, DOM, JDOM, JAXP, and TrAX) (2002)](http://www.cafeconleche.org/books/xmljava/) - Elliotte Rusty Harold * [The ABC of PDF with iText: PDF Syntax essentials](https://leanpub.com/itext_pdfabc) - Bruno Lowagie *(Leanpub account or valid email requested)* * [The Java EE6 Tutorial](https://docs.oracle.com/javaee/6/tutorial/doc/javaeetutorial6.pdf) (PDF) * [The Java EE7 Tutorial](https://docs.oracle.com/javaee/7/JEETT.pdf) - Eric Jendrock, et al (PDF) * [The Java Tutorials](https://docs.oracle.com/javase/tutorial/index.html) * [The Java Web Scraping Handbook](https://www.scrapingbee.com/java-webscraping-book) - Kevin Sahin (PDF, HTML) * [Think Data Structures: Algorithms and Information Retrieval in Java](https://greenteapress.com/wp/think-data-structures/) - Allen B. Downey (PDF, HTML) * [Think Java: How to Think Like a Computer Scientist](http://greenteapress.com/thinkapjava/) - Allen B. Downey and Chris Mayfield * [Welcome to Java for Python Programmers](https://runestone.academy/runestone/books/published/java4python/index.html) - Brad Miller * [Welcome to the Java Workshop (2006)](http://javaworkshop.sourceforge.net) - Trevor Miller * [What’s New in Java 8](https://leanpub.com/whatsnewinjava8/read) - Adam L. Davis #### Codename One * [Codename One Developer Guide](https://www.codenameone.com/files/developer-guide.pdf) (PDF) * [Create an Uber Clone in 7 Days (first 2 chapters)](http://uber.cn1.co) - Shai Almog (PDF) #### JasperReports * [The JasperReports Ultimate Guide, Third Edition](http://jasperreports.sourceforge.net/JasperReports-Ultimate-Guide-3.pdf) (PDF) #### Spring * [Building Applications with Spring 5 and Vue.js 2](https://www.packtpub.com/free-ebooks/building-applications-spring-5-and-vuejs-2) - James J. Ye (Packt account *required*) * [Software Architecture with Spring 5.0](https://www.packtpub.com/free-ebooks/software-architecture-spring-50) - René Enríquez, Alberto Salazar (Packt account *required*) * [Spring Framework Notes for Professionals](https://books.goalkicker.com/SpringFrameworkBook) - Compiled from StackOverflow documentation * [Spring Framework Reference Documentation](https://docs.spring.io/spring/docs/current/spring-framework-reference/) - Rod Johnson et al. #### Spring Boot * [Building modern Web Apps with Spring Boot and Vaadin](https://v.vaadin.com/hubfs/Pdfs/Building%20Modern%20Web%20Apps%20with%20Spring%20Boot%20and%20Vaadin.pdf) (PDF) * [Spring Boot Reference Guide](https://docs.spring.io/spring-boot/docs/current/reference/html/) - Phillip Webb et al. ([PDF](https://docs.spring.io/spring-boot/docs/current/reference/pdf/spring-boot-reference.pdf)) #### Spring Data * [Spring Data Reference](https://docs.spring.io/spring-data/jpa/docs/current/reference/html) - Oliver Gierke, Thomas Darimont, Christoph Strobl, Mark Paluch, Jay Bryant #### Spring Security * [Spring Security Reference](http://docs.spring.io/spring-security/site/docs/current/reference/htmlsingle/) - Ben Alex, Luke Taylor, Rob Winch #### Wicket * [Official Free Online Guide for Apache Wicket framework](http://wicket.apache.org/learn/#guide) ### JavaScript * [Basic JavaScript for the impatient programmer](http://www.2ality.com/2013/06/basic-javascript.html) - Dr. Axel Rauschmayer * [Book of Modern Frontend Tooling](https://github.com/tooling/book-of-modern-frontend-tooling) * [Building Front-End Web Apps with Plain JavaScript](https://web-engineering.info/JsFrontendApp-Book) - Gerd Wagner (HTML,PDF) * [Clean Code JavaScript](https://github.com/ryanmcdermott/clean-code-javascript) * [Crockford's JavaScript](http://www.crockford.com/javascript/) - Douglas Crockford * [Deep JavaScript: Theory and techniques](https://exploringjs.com/deep-js) - Dr. Axel Rauschmayer * [Dev Docs](http://devdocs.io) * [Directory of free JavaScript ebooks](http://jsbooks.revolunet.com) * [Eloquent JavaScript 3rd edition](http://eloquentjavascript.net) - Marijn Haverbeke * [Exploring ES6](http://exploringjs.com/es6/) - Dr. Axel Rauschmayer * [Google JavaScript Style Guide](https://google.github.io/styleguide/javascriptguide.xml) * [Human JavaScript](http://read.humanjavascript.com/ch01-introduction.html) * [JavaScript Allongé](https://leanpub.com/javascript-allonge/read) - Reginald Braithwaite * [JavaScript Bible](http://media.wiley.com/product_ancillary/28/07645334/DOWNLOAD/all.pdf) (PDF) * [JavaScript Challenges Book](https://tcorral.github.io/javascript-challenges-book/) * [JavaScript Enlightenment](http://www.javascriptenlightenment.com) - Cody Lindley * [JavaScript ES6 and beyond](https://github.com/AlbertoMontalesi/JavaScript-es6-and-beyond-ebook) - Alberto Montalesi (PDF, epub) * [JavaScript For Cats](http://jsforcats.com) * [JavaScript for Impatient Programmers (ES2020 edition)](https://exploringjs.com/impatient-js) - Dr. Axel Rauschmayer * [JavaScript Fundamentals, Plus a Dash Of JQuery - for dinner ladies](http://nicholasjohnson.com/javascript-book/) * [JavaScript Garden](http://bonsaiden.github.io/JavaScript-Garden/) (Maintained by Tim Ruffles) * [JavaScript Notes for Professionals](https://goalkicker.com/JavaScriptBook/) - Compiled from StackOverflow documentation (PDF) * [JavaScript Patterns Collection](http://shichuan.github.io/javascript-patterns/) - Shi Chuan * [JavaScript Spessore](https://web.archive.org/web/20160325064800/https://leanpub.com/javascript-spessore/read) - Reginald Braithwaite * [JavaScript Succinctly, Syncfusion](https://www.syncfusion.com/resources/techportal/ebooks/javascript) (PDF, Kindle) (email address *requested*, not required) * [JavaScript the Right Way](https://github.com/braziljs/js-the-right-way) * [jQuery Fundamentals](http://jqfundamentals.com) (starts with JavaScript basics) * [JS Robots](http://markdaggett.com/images/ExpertJavaScript-ch6.pdf) (PDF) * [Leaflet Tips and Tricks: Interactive Maps Made Easy](https://leanpub.com/leaflet-tips-and-tricks/read) - Malcolm Maclean * [Learn to Code JavaScript by Playing a Game](http://codecombat.com) * [Learning JavaScript Design Patterns](http://addyosmani.com/resources/essentialjsdesignpatterns/book/) - Addy Osmani * [Let's Learn ES6](https://bubblin.io/cover/let-s-learn-es6-by-ryan-christiani#frontmatter) - Ryan Christiani (Superbook format) * [Managing Space and Time with JavaScript - Book 1: The Basics](http://www.noelrappin.com) - Noel Rappin * [Marionette Exposé: Learn to write modular Javascript applications using Backbone Marionette and RequireJS/AMD](https://leanpub.com/marionetteexpose) - Jack Killilea *(Leanpub account or valid email requested)* * [Mozilla Developer Network's JavaScript Guide](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide) * [Neural Networks with JavaScript Succinctly](https://www.syncfusion.com/ebooks/neural-networks-with-javascript-succinctly) - James McCaffrey * [Oh My JS](https://web.archive.org/web/20150317231950/https://leanpub.com/ohmyjs/read) - Azat Mardanov * [Patterns For Large-Scale JavaScript Application Architecture](http://addyosmani.com/largescalejavascript/) - Addy Osmani * [Practical Modern JavaScript](https://github.com/mjavascript/practical-modern-javascript) - Nicolas Bevacqua * [Professor Frisby’s Mostly Adequate Guide to Functional Programming](https://mostly-adequate.gitbooks.io/mostly-adequate-guide/content/) - Brian Lonsdorf * [Programming JavaScript Applications](https://www.oreilly.com/library/view/programming-javascript-applications/9781491950289/) * [Speaking JavaScript](http://speakingjs.com/es5/) - Dr. Axel Rauschmayer * [Standard ECMA-262 ECMAScript 2016 Language Specification](https://www.ecma-international.org/publications/standards/Ecma-262.htm) - Ecma International (HTML,PDF) * [The JavaScript Tutorial](http://javascript.info) * [The JavaScript Way](https://github.com/bpesquet/thejsway) - Baptiste Pesquet * [The Problem with Native JavaScript APIs](https://www.oreilly.com/programming/free/native-javascript-apis.csp) (email address *requested*) * [Understanding ECMAScript 6](https://leanpub.com/understandinges6/read) - Nicholas C. Zakas * [Understanding JavaScript OOP](http://robotlolita.me/2011/10/09/understanding-javascript-oop.html) *(Sorella)* * [You Don't Know JS](https://github.com/getify/You-Dont-Know-JS) #### Angular.js * [Angular for the jQuery developer](http://www.ng-newsletter.com.s3-website-us-east-1.amazonaws.com/posts/angular-for-the-jquery-developer.html) * [Angular.js Guide](https://docs.angularjs.org/guide/) * [Angular.js Material Designing](https://material.angularjs.org/latest/) * [Angular.js Style Guide](https://github.com/toddmotto/angularjs-styleguide) * [Angular.js Tutorial](https://docs.angularjs.org/tutorial) * [AngularJS - Step by Logical Step](http://nicholasjohnson.com/angular-book/) * [AngularJS Notes for Professionals](https://books.goalkicker.com/AngularJSBook) (PDF) * [AngularJS Succinctly](https://www.syncfusion.com/resources/techportal/ebooks/angularjs) (PDF, Kindle) (email address *requested*, not required) * [AngularJs vs EmberJs](http://angularjs-emberjs-compare.bguiz.com) * [Build a Full-Stack Web Application Using Angular & Firebase](https://www.c-sharpcorner.com/ebooks/build-a-full-stack-web-application-using-angular-and-firebase) - Ankit Sharma * [Practical Angular: Build your first web apps with Angular 8](https://leanpub.com/practical-angular) - Ahmed Bouchefra *(Leanpub account or valid email requested)* * [Seven-Part Introduction to Angular](http://ngokevin.com/blog/angular-1/) * [Unit Testing Best Practices in AngularJS](http://andyshora.com/unit-testing-best-practices-angularjs.html) #### Aurelia * [Beginning Aurelia](https://leanpub.com/beginning-of-aurelia) - behzad *(Leanpub account or valid email requested)* #### Backbone.js * [A pragmatic guide to Backbone.js apps](http://pragmatic-backbone.com) * [Backbone Tutorials: Beginner, Intermediate and Advanced](https://leanpub.com/backbonetutorials) - Thomas Davis *(Leanpub account or valid email requested)* * [Backbonejs Tutorials](https://cdnjs.com/libraries/backbone.js/tutorials/) * [Building Single Page Web Apps with Backbone.js](https://singlepagebook.supportbee.com) (:construction: *in process*) * [Developing Backbone.js Applications](http://addyosmani.github.io/backbone-fundamentals/) * [Getting Started with Backbone.js](http://net.tutsplus.com/tutorials/javascript-ajax/getting-started-with-backbone-js/) * [How to share Backbone.js models with node.js](http://amirmalik.net/2010/11/27/how-to-share-backbonejs-models-with-nodejs) #### Booty5.js * [The Booty5 HTML5 Game Maker Manual](http://booty5.com/booty5-free-html-game-maker-e-book-manual/) #### D3.js * [D3 Tips and Tricks](https://leanpub.com/D3-Tips-and-Tricks/read) - Malcolm Maclean * [Dashing D3.js Tutorial](https://www.dashingd3js.com/table-of-contents) * [Interactive Data Visualization with D3](http://alignedleft.com/tutorials/d3) #### Dojo * [Dojo: The Definitive Guide](https://www.oreilly.com/library/view/dojo-the-definitive/9780596516482/) - Matthew A. Russell #### Elm * [An Introduction to Elm](https://guide.elm-lang.org) (HTML) * [Beginning Elm](https://elmprogramming.com) - Pawan Poudel (HTML) * [Building a Live-Validating Signup Form in Elm](http://tech.noredink.com/post/129641182738/building-a-live-validated-signup-form-in-elm) * [Elm Accelerated](https://accelerated.amimetic.co.uk) - James Porter * [Elm Programming Language](https://en.wikibooks.org/wiki/Elm_programming_language) (HTML) * [Elm Tutorial](https://legacy.gitbook.com/book/sporto/elm-tutorial/details) * [Learn You an Elm](https://learnyouanelm.github.io) (HTML) * [The Elm Architecture](https://github.com/evancz/elm-architecture-tutorial) #### Ember.js * [AngularJs vs EmberJs](http://angularjs-emberjs-compare.bguiz.com) * [DockYard Ember.js Style Guide](https://github.com/DockYard/styleguides/blob/master/engineering/ember.md) * [Ember App with RailsApi](https://dockyard.com/blog/ember/2013/01/07/building-an-ember-app-with-rails-api-part-1) * [Ember.js - Getting started](https://guides.emberjs.com/release/) * [Vic Ramon's Ember Tutorial](http://ember.vicramon.com) #### Express.js * [Express.js Guide](https://web.archive.org/web/20140621124403/https://leanpub.com/express/read) - Azat Mardanov #### Ionic * [Ionic 4 Succinctly](https://www.syncfusion.com/ebooks/ionic-4-succinctly) - Ed Freitas #### jQuery * [JavaScript Fundamentals, Plus a Dash Of JQuery - for dinner ladies](http://nicholasjohnson.com/javascript-book/) * [jQuery Novice to Ninja](http://mediatheque.cite-musique.fr/MediaComposite/Debug/Dossier-Orchestre/ressources/jQuery.Novice.to.Ninja.2nd.Edition.pdf) (PDF) * [jQuery Succinctly, Syncfusion](https://www.syncfusion.com/resources/techportal/ebooks/jquery) (PDF, Kindle) (email address *requested*, not required) #### Meteor * [Your First Meteor Application, A Complete Beginner’s Guide to the Meteor JavaScript Framework](http://meteortips.com/book/) #### Node.js * [An Introduction to libuv](https://nikhilm.github.io/uvbook/) - Nikhil Marathe ([PDF](http://nikhilm.github.io/uvbook/An%20Introduction%20to%20libuv.pdf) - [ePub](http://nikhilm.github.io/uvbook/An%20Introduction%20to%20libuv.epub)) * [Mixu's Node Book](http://book.mixu.net/node/) * [Node Documentation](https://nodejs.org/en/docs/) * [Node: Up and Running](https://www.oreilly.com/library/view/node-up-and/9781449332235/) - Tom Hughes-Croucher * [Node.js Notes](http://books.goalkicker.com/NodeJSBook) (PDF) * [Node.js Succinctly, Syncfusion](https://www.syncfusion.com/resources/techportal/ebooks/nodejs) (PDF, Kindle) (email address *requested*, not required) * [The Node Beginner Book](http://nodebeginner.org) #### Om * [Om Tutorial](http://awkay.github.io/om-tutorial/) #### React * [Free React on Rails course](https://learnetto.com/users/hrishio/courses/the-free-react-on-rails-5-course) * [Full-Stack React Projects](https://www.packtpub.com/free-ebooks/full-stack-react-projects) - Shama Hoque (Packt account *required*) * [Hacking with React](http://www.hackingwithreact.com) * [Intro to the React Framework](http://code.tutsplus.com/tutorials/intro-to-the-react-framework--net-35660) * [Learning React.js: Getting Started and Concepts](https://scotch.io/tutorials/learning-react-getting-started-and-concepts) * [React-Bits](https://github.com/vasanthk/react-bits) * [React Enlightenment](https://www.gitbook.com/book/frontendmasters/react-enlightenment/details) * [React In-depth: An exploration of UI development](https://www.gitbook.com/book/developmentarc/react-indepth/details) * [React Primer Draft](https://github.com/mikechau/react-primer-draft) * [React Succinctly](https://www.syncfusion.com/ebooks/react-succinctly) - Samer Buna * [React Tutorial](https://reactjs.org/tutorial/tutorial.html) * React Tutorial by Josh Finnie * [Part 1](http://www.joshfinnie.com/blog/reactjs-tutorial-part-1/) * [Part 2](http://www.joshfinnie.com/blog/reactjs-tutorial-part-2/) * [Part 3](http://www.joshfinnie.com/blog/reactjs-tutorial-part-3/) * [React with ASP.NET Core Tutorial](https://reactjs.net/getting-started/aspnetcore.html) * [React.js Tutorial: Now is Your Time to Try It, Right in Your Browser](https://codegeekz.com/react-js-tutorial/) * [SurviveJS - Webpack and React](http://survivejs.com) #### React Native * [Programming React Native](https://leanpub.com/programming-react-native) *(Leanpub account or valid email requested)* * [React Native Animation Book](http://browniefed.com/react-native-animation-book/) * [React Native Express](http://www.reactnativeexpress.com) * [React Native Notes for Professionals](https://goalkicker.com/ReactNativeBook) - Compiled from StackOverflow documentation * [React Native Training](https://www.gitbook.com/book/unbug/react-native-training/details) #### Redux * [Full-Stack Redux Tutorial](http://teropa.info/blog/2015/09/10/full-stack-redux-tutorial.html) * [SoundCloud Application in React + Redux](https://www.robinwieruch.de/the-soundcloud-client-in-react-redux/) * [The Complete Redux Book](https://leanpub.com/redux-book) - Boris Dinkevich and Ilya Gelman *(Leanpub account or valid email requested)* #### Vue.js * [Learning Vue.js](https://riptutorial.com/Download/vue-js.pdf) (PDF) * [The Vue.js Handbook](https://flaviocopes.nyc3.digitaloceanspaces.com/vue-handbook/vue-handbook.pdf) - Flavio Copes (PDF) ### Jenkins * [Jenkins: The Definitive Guide](http://www.bogotobogo.com/DevOps/Jenkins/images/Intro_install/jenkins-the-definitive-guide.pdf) (PDF) ### Julia * [Introducing Julia](https://en.wikibooks.org/wiki/Introducing_Julia) - Wikibooks * [Julia by Example](http://samuelcolvin.github.io/JuliaByExample) - Samuel Colvin (GitHub repo) * [Julia language: a concise tutorial](https://www.gitbook.com/book/sylvaticus/julia-language-a-concise-tutorial) - Antonello Lobianco (GitBook) * [Learn Julia in Y minutes](https://learnxinyminutes.com/docs/julia) - Leah Hanson * [Quantitative Economics with Julia](https://julia.quantecon.org/_downloads/pdf/quantitative_economics_with_julia.pdf) - Jesse Perla, Thomas J. Sargent and John Stachurski (PDF) * [The Julia Express](http://bogumilkaminski.pl/files/julia_express.pdf) - Bogumił Kamiński (PDF) * [Think Julia](https://benlauwens.github.io/ThinkJulia.jl/latest/book.html) - Ben Lauwens and Allen Downey (GitBook) ### Kotlin * [Kotlin Notes for Professionals book](https://goalkicker.com/KotlinBook/) - Compiled from StackOverflow documentation * [Kotlin Official Documentation](https://kotlinlang.org/docs/reference/) ### LaTeX / TeX #### LaTeX * [Arbitrary LaTex Reference](http://latex.knobs-dials.com) * [Begin Latex in minutes](https://github.com/VoLuong/Begin-Latex-in-minutes) * [LaTeX](https://en.wikibooks.org/wiki/LaTeX) - Wikibooks * [The Not So Short Introduction to LaTeX](https://tobi.oetiker.ch/lshort/lshort.pdf) (PDF) #### TeX * [Notes On Programming in TeX](http://pgfplots.sourceforge.net/TeX-programming-notes.pdf) - Christian Feursänger (PDF) * [TeX by Topic, A TeXnician's Reference](http://eijkhout.net/texbytopic/texbytopic.html) - Victor Eijkhout * [TeX for the Impatient](https://www.gnu.org/software/teximpatient/) - Paul Abrahams, Kathryn Hargreaves, and Karl Berry ### Limbo * [Inferno Programming With Limbo](http://doc.cat-v.org/inferno/books/inferno_programming_with_limbo/) ### Linux * [Ad Hoc Data Analysis From The Unix Command Line](https://en.wikibooks.org/wiki/Ad_Hoc_Data_Analysis_From_The_Unix_Command_Line) - Wikibooks * [Advanced Linux Programming](https://mentorembedded.github.io/advancedlinuxprogramming/) (PDF) * [Automated Linux From Scratch](http://www.linuxfromscratch.org/alfs/download.html) * [Getting Started with Ubuntu](http://ubuntu-manual.org) * [GNU Autoconf, Automake and Libtool](http://www.sourceware.org/autobook/download.html) * [GTK+/Gnome Application Development](http://www.linuxtopia.org/online_books/gui_toolkit_guides/gtk+_gnome_application_development/) * [Hardened Linux From Scratch](http://www.linuxfromscratch.org/hlfs/download.html) * [Kali Linux 2018: Assuring Security by Penetration Testing, Fourth Edition](https://www.packtpub.com/free-ebooks/kali-linux-2018-assuring-security-penetration-testing-fourth-edition) - Shiva V. N Parasram, Alex Samm, Damian Boodoo, Gerard Johansen, Lee Allen, Tedi Heriyanto, Shakeel Ali (Packt account *required*) * [Kali Linux: Professional Penetration-Testing Distribution](http://docs.kali.org) * [Learning Debian GNU/Linux](http://www.oreilly.com/openbook/debian/book/index.html) * [Linux 101 Hacks](http://thegeekstuff.s3.amazonaws.com/files/linux-101-hacks.zip) - Ramesh Natarajan (PDF) * [Linux Administrator's Security Guide](http://www.linuxtopia.org/online_books/linux_administrators_security_guide/index.html) * [Linux Advanced Routing & Traffic Control HOWTO](http://lartc.org) * [Linux commands Notes for Professionals](https://goalkicker.com/LinuxBook/) - Compiled from StackOverflow documentation (PDF) * [Linux Device Drivers, Third Edition](http://lwn.net/Kernel/LDD3/) - Jonathan Corbet, Alessandro Rubini, and Greg Kroah-Hartman * [Linux from Scratch](http://www.linuxfromscratch.org/lfs/view/stable/) * [Linux Fundamentals](http://linux-training.be/linuxfun.pdf) - Paul Cobbaut (PDF) * [Linux Inside](https://www.gitbook.com/book/0xax/linux-insides/details) * [Linux Kernel in a Nutshell](http://www.kroah.com/lkn/) * [Linux Newbie Administrator Guide](http://lnag.sourceforge.net) * [Linux Security for Beginners](http://www.linuxtopia.org/LinuxSecurity/index.html) * [Linux Succinctly, Syncfusion](https://www.syncfusion.com/resources/techportal/ebooks/linux) (PDF, Kindle) (email address *requested*, not required) * [Red Hat Enterprise Linux 6 Essentials](http://www.techotopia.com/index.php/Red_Hat_Enterprise_Linux_6_Essentials) * [Secure Programming HOWTO - Creating Secure Software](http://www.dwheeler.com/secure-programs/) - D. A. Wheeler (HTML, PDF) * [Ten Steps to Linux Survival: Bash for Windows People](http://dullroar.com/book/TenStepsToLinuxSurvival.html) - Jim Lehmer * [The Debian Administrator's Handbook](https://debian-handbook.info) * [The Linux Command Line](http://linuxcommand.org/tlcl.php) (PDF) * [The Linux Development Platform](http://ptgmedia.pearsoncmg.com/imprint_downloads/informit/perens/0130091154.pdf) (PDF) * [The Linux Kernel Module Programming Guide](http://tldp.org/LDP/lkmpg/2.6/html/) * [The Linux System Administrator's Guide](http://www.tldp.org/LDP/sag/html/index.html) * [Ubuntu Pocket Guide and Reference](http://www.ubuntupocketguide.com/index_main.html) * [Ubuntu Server Guide](https://help.ubuntu.com/16.04/serverguide/serverguide.pdf) (PDF) * [Understanding the Linux Virtual Memory Manager](https://www.kernel.org/doc/gorman/) - Mel Gorman (HTML, PDF) * [UNIX Systems Programming for SVR4](http://www.bitsinthewind.com/about-dac/publications/unix-systems-programming) - David A. Curry * [Upstart Intro, Cookbook and Best Practises](http://upstart.ubuntu.com/cookbook/) * [What Every Programmer Should Know About Memory](http://www.akkadia.org/drepper/cpumemory.pdf) (PDF) ### Lisp * [Basic Lisp Techniques](http://franz.com/resources/educational_resources/cooper.book.pdf) - David J. Cooper, Jr. (PDF) * [Casting Spels in Lisp](http://www.lisperati.com/casting.html) * [Common Lisp: A Gentle Introduction to Symbolic Computation](http://www.cs.cmu.edu/~dst/LispBook/) - David S. Touretzky (PDF, PS) * [Common Lisp: An Interactive Approach](http://www.cse.buffalo.edu/~shapiro/Commonlisp/) - Stuart C. Shapiro * [Common Lisp Quick Reference](http://clqr.boundp.org) * [Common Lisp the Language, 2nd Edition](http://www.cs.cmu.edu/Groups/AI/html/cltl/mirrors.html) * [Google's Common Lisp Style Guide](https://google.github.io/styleguide/lispguide.xml) * [Interpreting LISP](http://www.civilized.com/files/lispbook.pdf) - Gary D. Knott (PDF) * [Learn Lisp The Hard Way](https://github.com/LispTO/llthw) - Colin J.E. Lupton * [Let Over Lambda - 50 Years of Lisp](http://letoverlambda.com/index.cl/) - D. Hoyte * [Lisp Hackers: Interviews with 100x More Productive Programmers](https://leanpub.com/lisphackers/read) - Vsevolod Dyomkin * [Lisp Koans](https://github.com/google/lisp-koans) * [Lisp Web Tales](https://leanpub.com/lispwebtales) - Pavel Penev *(Leanpub account or valid email requested)* * [On Lisp](http://www.paulgraham.com/onlisp.html) - P. Graham * [Paradigms of Artificial Intelligence Programming: Case Studies in Common Lisp](https://github.com/norvig/paip-lisp) - Peter Norvig (PDF, epub, markdown) * [Practical Common Lisp](http://www.gigamonkeys.com/book/) - P. Seibel * [The Common Lisp Cookbook](https://lispcookbook.github.io/cl-cookbook/) * [The Evolution of Lisp](http://www.dreamsongs.com/Files/HOPL2-Uncut.pdf) - Guy L. Steele Jr., Richard P. Gabriel (PDF) ### Livecode * [LiveCode userguide](http://www.scribd.com/doc/216789127/LiveCode-userguide) (PDF) ### Lua * [Lua 5.3 Reference Manual](http://www.lua.org/manual/5.3/) * [Lua Programming](https://en.wikibooks.org/wiki/Lua_Programming) - Wikibooks * [Programming in Lua (first edition)](https://www.lua.org/pil/contents.html) ### Make * [Managing Projects with GNU Make](https://www.oreilly.com/openbook/make3/book/index.html) - Robert Mecklenburg ### Markdown * [Learn Markdown](https://www.gitbook.com/book/gitbookio/markdown/details) - Sammy P., Aaron O. (PDF) (EPUB) (MOBI) ### Mathematica * [Mathematica® programming: an advanced introduction by Leonid Shifrin](http://www.mathprogramming-intro.org) * [Power Programming with Mathematica](http://mathematica.stackexchange.com/questions/16485/are-you-interested-in-purchasing-david-wagners-power-programming-with-mathemat/22724) - David B. Wagner * [Stephen Wolfram's The Mathematica Book](http://reference.wolfram.com/legacy/v5_2/) * [Vector Math for 3d Computer Graphics](http://chortle.ccsu.edu/VectorLessons/index.html) * [Wolfram Mathematica Product Training: Wolfram U](https://www.wolfram.com/wolfram-u/catalog/product-training/mathematica/) ### MATLAB * [An Interactive Introduction to MATLAB](http://www.science.smith.edu/~jcardell/Courses/EGR326/Intro-to-MATLAB.pdf) (PDF) * [An Introduction to MATLAB](http://www.maths.dundee.ac.uk/software/MatlabNotes.pdf) (PDF) * [Applications of MATLAB in Science and Engineering](http://www.intechopen.com/books/applications-of-matlab-in-science-and-engineering) * [Experiments with MATLAB](http://www.mathworks.com/moler/exm/index.html?requestedDomain=www.mathworks.com&nocookie=true) * [Freshman Engineering Problem Solving with MATLAB](https://cnx.org/exports/3a643c1f-c1ba-4c2a-8065-317a1f2b1add@18.1.pdf/freshman-engineering-problem-solving-with-matlab-18.1.pdf) (PDF) * [Interactive Tutorials for MATLAB, Simulink, Signal Processing, Controls, and Computational Mathematics](http://www.mathworks.com/tutorials) * [MATLAB - A Fundamental Tool for Scientific Computing and Engineering Applications - Volume 1](http://www.intechopen.com/books/matlab-a-fundamental-tool-for-scientific-computing-and-engineering-applications-volume-1) * [MATLAB - A Ubiquitous Tool for the Practical Engineer](http://www.intechopen.com/books/matlab-a-ubiquitous-tool-for-the-practical-engineer) * [MATLAB for Engineers: Applications in Control, Electrical Engineering, IT and Robotics](http://www.intechopen.com/books/matlab-for-engineers-applications-in-control-electrical-engineering-it-and-robotics) * [MATLAB Notes for professionals](https://books.goalkicker.com/MATLABBook) - Compiled from StackOverflow documentation * [MATLAB Programming](https://en.wikibooks.org/wiki/MATLAB_Programming) - Wikibooks * [MATLAB Succinctly, Syncfusion](https://www.syncfusion.com/resources/techportal/ebooks/matlab) (PDF, Kindle) (email address *requested*, not required) * [Numerical Computing with MATLAB](http://www.mathworks.com/moler/index_ncm.html?requestedDomain=www.mathworks.com&nocookie=true) * [Physical Modeling in MATLAB](http://greenteapress.com/matlab/index.html) - Alan B. Downey ### Maven * [Developing with Eclipse and Maven](https://books.sonatype.com/m2eclipse-book/reference/index.html) * [Maven by Example](http://books.sonatype.com/mvnex-book/reference/public-book.html) * [Maven: The Complete Reference](http://books.sonatype.com/mvnref-book/reference/public-book.html) * [Repository Management with Nexus](http://books.sonatype.com/nexus-book/reference/) ### Mercurial * [HGInit - Mercurial Tutorial](https://web.archive.org/web/20180926172759/http://hginit.com/) - Joel Spolsky * [Mercurial: The Definitive Guide](http://hgbook.red-bean.com) * [Mercurial: The Definitive Guide 2nd edition](https://book.mercurial-scm.org) ### Mercury * [The Mercury Users' Guide](http://www.mercurylang.org/information/doc-release/user_guide.pdf) (PDF) ### Modelica * [Modelica by Example](http://book.xogeny.com) ### MySQL * [MySQL 8.0 Tutorial Excerpt](https://dev.mysql.com/doc/mysql-tutorial-excerpt/8.0/en/tutorial.html) (HTML) [(PDF)](https://downloads.mysql.com/docs/mysql-tutorial-excerpt-8.0-en.pdf) * [MySQL Essentials](http://www.techotopia.com/index.php/MySQL_Essentials) ### Neo4J * [Fullstack GraphQL Applications with GRANDStack – Essential Excerpts](https://neo4j.com/fullstack-graphql-applications-with-grandstack/) - William Lyon (PDF) *(email requested)* * [Graph Algorithms: Practical Examples in Apache Spark and Neo4j](https://neo4j.com/graph-algorithms-book/) - Mark Needham and Amy E. Hodler (PDF, EPUB, MOBI) *(email requested)* * [Graph Databases 2nd edition](http://neo4j.com/books/graph-databases/) - Ian Robinson, Jim Webber and Emil Eifrém (PDF, EPUB, MOBI) *(email requested)* * [Graph Databases For Dummies](https://neo4j.com/graph-databases-for-dummies/) - Dr. Jim Webber and Rik Van Bruggen (PDF) *(email requested)* ### .NET Framework * [Akka.NET Succinctly](https://www.syncfusion.com/ebooks/akka_net_succinctly) - Zoran Maksimovic * [Application Security in .NET Succinctly](https://www.syncfusion.com/ebooks/application_security_in_net_succinctly) - Stan Drapkin * [Clean Code .NET](https://github.com/thangchung/clean-code-dotnet) * [Cryptography in .NET Succinctly](https://www.syncfusion.com/ebooks/cryptography_in_net_succinctly) - Dirk Strauss * [Entity Framework](http://weblogs.asp.net/zeeshanhirani/my-christmas-present-to-the-entity-framework-community) * [Entity Framework Core Succinctly](https://www.syncfusion.com/ebooks/entity_frame_work_core_succinctly) - Ricardo Peres * [Game Creation with XNA](https://en.wikibooks.org/wiki/Game_Creation_with_XNA) - Wikibooks * [Getting the Most from LINQPad Succinctly](https://www.syncfusion.com/ebooks/getting-the-most-from-linqpad-succinctly) - José Roberto Olivas Mendoza * [MonoGame Succinctly](https://www.syncfusion.com/ebooks/monogame_succinctly) - Jim Perry * [.NET for Visual FoxPro Developers](http://foxcentral.net/microsoft/NETforVFPDevelopers.htm) * [.NET Performance Testing and Optimization - The Complete Guide](https://www.red-gate.com/library/net-performance-testing-and-optimization-the-complete-guide) - Paul Glavich, Chris Farrell (PDF) * [NuGet In-House Succinctly](https://www.syncfusion.com/ebooks/nuget-in-house-succinctly) - José Roberto Olivas Mendoza * [Rider Succinctly](https://www.syncfusion.com/ebooks/rider-succinctly) - Dmitri Nesteruk * [Under the Hood of .NET Memory Management](https://assets.red-gate.com/community/books/under-the-hood-of-net-memory-management.pdf) - Chris Farrell, Nick Harrison (PDF) * [Using .NET Core, Docker, and Kubernetes Succinctly](https://www.syncfusion.com/ebooks/using-netcore-docker-and-kubernetes-succinctly) - Michele Aponte * [Visual Studio .NET Tips and Tricks](http://www.infoq.com/minibooks/vsnettt) (VS 2003-2005 only) * [Visual Studio 2019 Succinctly](https://www.syncfusion.com/ebooks/visual-studio-2019-succinctly) - Alessandro Del Sole ### Nim * [Nim Basics](https://narimiran.github.io/nim-basics/) ### NoSQL * [CouchDB: The Definitive Guide](http://guide.couchdb.org) * [Extracting Data from NoSQL Databases: A Step towards Interactive Visual Analysis of NoSQL Data](http://publications.lib.chalmers.se/records/fulltext/155048.pdf) - Petter Nasholm (PDF) * [Graph Databases](http://graphdatabases.com) * [MongoDB Koans](https://github.com/chicagoruby/MongoDB_Koans) * [MongoDB Succinctly, Syncfusion](https://www.syncfusion.com/resources/techportal/ebooks/mongodb) (PDF, Kindle) (email address *requested*, not required) * [NoSQL Databases](http://www.christof-strauch.de/nosqldbs.pdf) - Christof Strauch (PDF) * [The Little MongoDB Book](http://openmymind.net/2011/3/28/The-Little-MongoDB-Book/) * [The Little Redis Book](http://openmymind.net/2012/1/23/The-Little-Redis-Book/) - K. Seguin (PDF, Epub) ### Oberon * [Algorithms and Data-Structures](https://inf.ethz.ch/personal/wirth/AD.pdf) - Niklaus Wirth (PDF) * [Object-Oriented Programming in Oberon-2](http://ssw.jku.at/Research/Books/Oberon2.pdf) - Hanspeter Mössenböck (PDF) * [Programming in Oberon](https://www.inf.ethz.ch/personal/wirth/ProgInOberonWR.pdf) - Niklaus Wirth (PDF) ### Objective-C * [Google's Objective-C Style Guide](https://github.com/google/styleguide/blob/gh-pages/objcguide.md) * [Object-Oriented Programming with Objective-C](https://developer.apple.com/library/ios/documentation/Cocoa/Conceptual/OOP_ObjC/Introduction/Introduction.html#//apple_ref/doc/uid/TP40005149) * [Objective-C Succinctly, Syncfusion](https://www.syncfusion.com/resources/techportal/ebooks/objective-c) (PDF, Kindle) (email address *requested*, not required) * [Programming With Objective-C](https://developer.apple.com/library/mac/documentation/Cocoa/Conceptual/ProgrammingWithObjectiveC/Introduction/Introduction.html) ### OCaml * [Developing Applications With Objective Caml](http://caml.inria.fr/pub/docs/oreilly-book/) * [Functional Programming in OCaml](https://www.cs.cornell.edu/courses/cs3110/2019sp/textbook/) - Michael R. Clarkson * [Real World OCaml](https://dev.realworldocaml.org/toc.html) * [Think OCaml](http://greenteapress.com/thinkocaml/index.html) - Allen B. Downey and Nicholas Monje * [Unix System Programming in OCaml](http://ocaml.github.io/ocamlunix/) [Github Repo](https://github.com/ocaml/ocamlunix/) * [Using, Understanding, and Unraveling The OCaml Language: From Practice to Theory and vice versa](http://pauillac.inria.fr/~remy/cours/appsem/) - Didier Rémy ### Octave * [Octave Programming](https://en.wikibooks.org/wiki/Octave_Programming_Tutorial) - Wikibooks ### OpenMP * [A Guide To OpenMP](http://bisqwit.iki.fi/story/howto/openmp/) * [OpenMP Application Programming Interface Standard Version 4.0](http://www.openmp.org/mp-documents/OpenMP4.0.0.pdf) (PDF) * [OpenMP Application Programming Interface Standard Version 5.0](https://www.openmp.org/wp-content/uploads/OpenMP-API-Specification-5.0.pdf) (PDF) ### OpenResty * [Programming OpenResty](https://www.gitbook.com/book/openresty/programming-openresty/details) ### OpenSCAD * [OpenSCAD User Manual](https://en.wikibooks.org/wiki/OpenSCAD_User_Manual) - Wikibooks ### TrueOS * [TrueOS® Users Handbook](https://www.trueos.org/handbook/trueos.html) ### Perl * [Beginning Perl](https://www.perl.org/books/beginning-perl/) * [Data Munging with Perl](https://datamungingwithperl.com) (PDF) * [Embedding Perl in HTML with Mason](http://masonbook.houseabsolute.com/book/) - D. Rolsky, K. Williams * [Essential Perl](http://cslibrary.stanford.edu/108/EssentialPerl.pdf) (PDF) * [Exploring Programming Language Architecture in Perl](http://www.billhails.net/Book/) * [Extreme Perl](http://www.extremeperl.org/bk/home) - R. Nagier (HTML, PDF) * [Higher-Order Perl](http://hop.perl.plover.com/book/) - M. J. Dominus (PDF) * [Impatient Perl](https://www.perl.org/books/impatient-perl/) * [Learning Perl The Hard Way](http://www.greenteapress.com/perl/) * [Modern Perl 5](http://www.onyxneon.com/books/modern_perl/) * [Perl & LWP](http://lwp.interglacial.com/index.html) * [Perl 5 Internals](http://www.faqs.org/docs/perl5int/) * [Perl for the Web](http://www.globalspin.com/thebook/) - C. Radcliff * [Perl Training Australia - Course Notes](http://perltraining.com.au/notes.html) * [Plack Handbook](http://handbook.plackperl.org) * [SDL::Manual Writing Games in Perl](https://github.com/PerlGameDev/SDL_Manual) * [Template Toolkit Documentation](http://template-toolkit.org/docs/index.html) * [The DBIx-Class Book](https://github.com/castaway/dbix-class-book) * [The PDL Book](http://sourceforge.net/projects/pdl/files/PDL_2013/PDL-Book/PDL-Book-20130322.pdf/download) (PDF) * [Web Client Programming with Perl](http://www.oreilly.com/openbook/webclient/) ### PHP * [Clean Code PHP](https://github.com/jupeter/clean-code-php) * [PHP 5 Power Programming](http://www.informit.com/content/images/013147149X/downloads/013147149X_book.pdf) (PDF) * [PHP Best Practices](https://phpbestpractices.org) * [PHP Internals Book](http://www.phpinternalsbook.com) * [PHP Pandas](http://daylerees.com/php-pandas/) - Dayle Rees * [PHP Programming](https://en.wikibooks.org/wiki/PHP_Programming) - Wikibooks * [PHP Reference: Beginner to Intermediate PHP5](https://phpreferencebook.com/pdf/download/) - Mario Lurig (PDF) * [PHP Security Guide](http://phpsec.org/projects/guide/) * [PHP: The Right Way](http://www.phptherightway.com) * [PHPUnit Manual](https://phpunit.de/manual/current/en/phpunit-book.pdf) - Sebastian Bergmann (PDF) * [Practical PHP Programming](http://www.hackingwithphp.com) * [Practical PHP Testing](http://www.giorgiosironi.com/2009/12/practical-php-testing-is-here.html) * [Survive The Deep End: PHP Security](https://phpsecurity.readthedocs.org/en/latest/) * [Using Libsodium in PHP Projects](https://paragonie.com/book/pecl-libsodium) #### CakePHP * [CakePHP Cookbook 2.x](http://book.cakephp.org/2.0/_downloads/en/CakePHPCookbook.pdf) (PDF) #### CodeIgniter * [CodeIgniter 3 User Guide](https://codeigniter.com/user_guide/index.html) * [CodeIgniter 4 User Guide](https://codeigniter4.github.io/userguide/) #### Drupal * [The Tiny Book of Rules](https://www.drupal.org/files/tiny-book-of-rules.pdf) (PDF) #### Laravel * [Laravel 5.x Official Documentation. Synced Daily](https://leanpub.com/laravel-5) *(Leanpub account or valid email requested)* * [Laravel Best Practices](http://www.laravelbestpractices.com) * [Laravel: Code Bright](http://daylerees.com/codebright) - Dayle Rees * [Laravel: Code Happy](http://daylerees.com/codehappy) - Dayle Rees * [Laravel: Code Smart](https://daylerees.com/codesmart/) - Dayle Rees * [Laravel Collections Unraveled](https://leanpub.com/laravelcollectionsunraveled) - Jeffrey Madsen *(Leanpub account or valid email requested)* #### Symfony * [Symfony 5: The Fast Track](https://symfony.com/doc/5.0/the-fast-track/en/index.html) * [The Symfony Best practices 4.1.x](https://web.archive.org/web/20181017123206/https://symfony.com/pdf/Symfony_best_practices_4.1.pdf) (PDF) * [The Symfony Book 2.8.x](https://symfony.com/doc/2.8/index.html) * [The Symfony Book 3.4.x](https://symfony.com/doc/3.4/index.html) * [The Symfony Book 4.4.x](https://symfony.com/doc/4.4/index.html) #### Zend * [Using Zend Framework 3](https://olegkrivtsov.github.io/using-zend-framework-3-book/html/) ### PicoLisp * [PicoLisp by Example](https://github.com/tj64/picolisp-by-example) * [PicoLisp Works](https://github.com/tj64/picolisp-works) ### PostgreSQL * [Postgres Official Documentation](http://www.postgresql.org/docs/) * [Postgres Succinctly](https://www.syncfusion.com/resources/techportal/ebooks/postgres) (PDF, Kindle) (email address *requested*, not required) * [Practical PostgreSQL](http://www.faqs.org/docs/ppbook/book1.htm) * [The Internals of PostgreSQL for database administrators and system developers](http://www.interdb.jp/pg) ### PowerShell * [A Unix Person's Guide to PowerShell](https://leanpub.com/aunixpersonsguidetopowershell) - The DevOps Collective, Inc. (PDF, ePub, MOBI, HTML) *(Leanpub account or valid email requested)* * [Creating HTML Reports in PowerShell](https://leanpub.com/creatinghtmlreportsinwindowspowershell) - The DevOps Collective, Inc. (PDF, ePub, MOBI, HTML) *(Leanpub account or valid email requested)* * [DevOps: The Ops Perspective](https://leanpub.com/devopstheopsperspective) - The DevOps Collective, Inc. (PDF, ePub, MOBI, HTML) *(Leanpub account or valid email requested)* * [Ditch Excel: Making Historical & Trend Reports in PowerShell](https://leanpub.com/ditchexcelmakinghistoricalandtrendreportsinpowershell) - The DevOps Collective, Inc. (PDF, ePub, MOBI, HTML) *(Leanpub account or valid email requested)* * [Layman’s Guide to PowerShell 2.0 remoting](https://ravichaganti.com/ebooks/AlaymansguidetoPowerShell2remotingv2.pdf) (PDF) * [Learn PowerShell Core 6.0](https://www.packtpub.com/free-ebooks/learn-powershell-core-60) - David das Neves, Jan-Hendrik Peters (Packt account *required*) * [Learn PowerShell in Y Minutes](https://learnxinyminutes.com/docs/powershell/) * [Mastering PowerShell v2](http://community.idera.com/powershell/powertips/b/ebookv2#pi619PostSortOrder=Ascending) * [PowerShell 2.0 – One CMDLET At A Time](http://www.jonathanmedd.net/wp-content/uploads/2010/09/PowerShell_2_One_Cmdlet_at_a_Time.pdf) (PDF) * [PowerShell Notes for Professionals](http://books.goalkicker.com/PowerShellBook/) - Compiled from StackOverflow documentation (3.x) * [PowerShell Succinctly, Syncfusion](https://www.syncfusion.com/resources/techportal/ebooks/powershell) (PDF, Kindle) (email address *requested*, not required) * [PowerShell Tips to Write By](https://leanpub.com/powershelltips) - Adam Bertram *(Leanpub account or valid email requested)* (:construction: *in process*) * [Secrets of PowerShell Remoting](https://leanpub.com/secretsofpowershellremoting) - The DevOps Collective, Inc. (PDF, ePub, MOBI, HTML) *(Leanpub account or valid email requested)* * [The Big Book of PowerShell Error Handling](https://leanpub.com/thebigbookofpowershellerrorhandling) - The DevOps Collective, Inc. (PDF, ePub, MOBI, HTML) *(Leanpub account or valid email requested)* * [The Big Book of PowerShell Gotchas](https://leanpub.com/thebigbookofpowershellgotchas) - The DevOps Collective, Inc. (PDF, ePub, MOBI, HTML) *(Leanpub account or valid email requested)* * [The Monad Manifesto - Annotated](https://leanpub.com/themonadmanifestoannotated) - The DevOps Collective, Inc. (PDF, ePub, MOBI, HTML) *(Leanpub account or valid email requested)* * [The PowerShell + DevOps Global Summit Manual for Summiteers](https://leanpub.com/windowspowershellnetworkingguide) - The DevOps Collective, Inc. (PDF, ePub, MOBI, HTML) *(Leanpub account or valid email requested)* * [Why PowerShell?](https://leanpub.com/whypowershell) - The DevOps Collective, Inc. (PDF, ePub, MOBI, HTML) *(Leanpub account or valid email requested)* * [Windows PowerShell Networking Guide](https://leanpub.com/windowspowershellnetworkingguide) - The DevOps Collective, Inc. (PDF, ePub, MOBI, HTML) *(Leanpub account or valid email requested)* ### Processing * [The Nature of Code: Simulating Natural Systems with Processing](http://natureofcode.com/book/) ### Prolog * [Adventure in Prolog](http://www.amzi.com/AdventureInProlog/) * [Applications of Prolog](http://bookboon.com/en/applications-of-prolog-ebook) - Attila Csenki, Bookboon. (email address *requested*, not required) * [Coding Guidelines for Prolog](http://arxiv.org/abs/0911.2899) - Michael A. Covington, Roberto Bagnara, Richard A. O'Keefe, Jan Wielemaker, Simon Price * [Concise Intro to Prolog](http://www.cis.upenn.edu/~matuszek/Concise%20Guides/Concise%20Prolog.html) * [Expert Systems in Prolog](http://www.amzi.com/ExpertSystemsInProlog/) * [GNU Prolog Manual](http://www.gprolog.org/manual/gprolog.pdf) (PDF) * [Introduction to Prolog for Mathematicians](http://www.j-paine.org/prolog/mathnotes/files/pms/pms.html) - J. Ireson-Ireson-Paine * [Learn Prolog Now!](http://www.learnprolognow.org) * [Logic, Programming and Prolog (2ed)](http://www.ida.liu.se/~ulfni53/lpp/) * [Natural Language Processing Techniques in Prolog](http://cs.union.edu/~striegnk/courses/nlp-with-prolog/html/) - P. Blackburn, K. Striegnitz * [Prolog and Natural - Language Analysis](http://www.mtome.com/Publications/PNLA/pnla-digital.html) - Fernando C. N. Pereira, Stuart M. Shieber * [Prolog for Programmers](https://sites.google.com/site/prologforprogrammers/) * [Prolog Problems](https://sites.google.com/site/prologsite/prolog-problems) - Werner Hett * [Prolog Techniques](http://bookboon.com/en/prolog-techniques-applications-of-prolog-ebook) - Attila Csenki, Bookboon. (email address *requested*, not required) * [Prolog Tutorial](http://www.cpp.edu/~jrfisher/www/prolog_tutorial/contents.html) * [The Art of Prolog, Second Edition](https://mitpress.mit.edu/books/art-prolog-second-edition) - Leon S. Sterling, Ehud Y. Shapiro (Open Access) * [The First 10 Prolog Programming Contests](https://dtai.cs.kuleuven.be/ppcbook/) - Bart Demoen, Phuong-Lan Nguyen, Tom Schrijvers, Remko Tronçon * [Warren's Abstract Machine: A Tutorial Reconstruction](http://wambook.sourceforge.net) - Hassan A¨it-Kaci #### Constraint Logic Programming (extended Prolog) * [A Gentle Guide to Constraint Logic Programming via ECLiPSe](http://anclp.pl) ### PureScript * [PureScript By Example](https://leanpub.com/purescript/read) - Phil Freeman ### Python * [20 Python Libraries You Aren't Using (But Should)](https://www.oreilly.com/learning/20-python-libraries-you-arent-using-but-should) - Caleb Hattingh * [A Beginner's Python Tutorial](https://en.wikibooks.org/wiki/A_Beginner%27s_Python_Tutorial) - Wikibooks * [A Byte of Python](https://python.swaroopch.com) (3.x) (HTML, PDF, EPUB, Mobi) * [A Guide to Python's Magic Methods](https://github.com/RafeKettler/magicmethods) - Rafe Kettler * [A Whirlwind Tour of Python](http://www.oreilly.com/programming/free/files/a-whirlwind-tour-of-python.pdf) - Jake VanderPlas (PDF) [(EPUB, MOBI)](http://www.oreilly.com/programming/free/a-whirlwind-tour-of-python.csp?download=yes) * [Automate the Boring Stuff](http://automatetheboringstuff.com/chapter0/) - Al Sweigart * [Biopython](http://biopython.org/DIST/docs/tutorial/Tutorial.pdf) (PDF) * [Build applications in Python the antitextbook](http://github.com/thewhitetulip/build-app-with-python-antitextbook) (3.x) (HTML, PDF, EPUB, Mobi) * [Building Skills in Object-Oriented Design (Python)](https://web.archive.org/web/20190914230227/http://www.itmaybeahack.com/book/oodesign-python-2.1/latex/BuildingSkillsinOODesign.pdf) - Steven F. Lott (PDF) (2.1.1) * [Building Skills in Python](https://web.archive.org/web/20190918094202/http://www.itmaybeahack.com/book/python-2.6/latex/BuildingSkillsinPython.pdf) - Steven F. Lott (PDF) (2.6) * [Code Like a Pythonista: Idiomatic Python](https://web.archive.org/web/20180411011411/http://python.net/~goodger/projects/pycon/2007/idiomatic/handout.html) - David Goodger * [CodeCademy Python](https://www.codecademy.com/learn/python) * [Composing Programs](http://composingprograms.com) (3.x) * [Cracking Codes with Python](http://inventwithpython.com/cracking/) - Al Sweigart * [Data Structures and Algorithms in Python](https://web.archive.org/web/20161016153130/http://www.brpreiss.com/books/opus7/html/book.html) - B. R. Preiss (PDF) * [Dive into Python 3](https://diveintopython3.problemsolving.io) - Mark Pilgrim (3.0) * [Dive into Python](https://linux.die.net/diveintopython/html/toc/index.html) - Mark Pilgrim (2.3) * [From Python to NumPy](http://www.labri.fr/perso/nrougier/from-python-to-numpy/) * [Full Stack Python](http://www.fullstackpython.com) * [Functional Programming in Python](https://www.oreilly.com/ideas/functional-programming-in-python) - David Mertz * [Fundamentals of Python Programming](https://web.archive.org/web/20191005170430/http://python.cs.southern.edu/pythonbook/pythonbook.pdf) - Richard L. Halterman (PDF) (:construction: *in process*) * [Google's Python Class](https://developers.google.com/edu/python/) (2.4 - 2.x) * [Google's Python Style Guide](https://google.github.io/styleguide/pyguide.html) * [Hadoop with Python](https://www.oreilly.com/learning/hadoop-with-python) - Zachary Radtka, Donald Miner * [Hands-On Natural Language Processing with Python](https://www.packtpub.com/free-ebooks/hands-natural-language-processing-python) - Rajesh Arumugam, Rajalingappaa Shanmugamani (Packt account *required*) * [Hitchhiker's Guide to Python!](http://docs.python-guide.org/en/latest/) (2.6) * [How to Code in Python 3](https://assets.digitalocean.com/books/python/how-to-code-in-python.pdf) - Lisa Tagliaferri (PDF) * [How to Make Mistakes in Python](http://www.oreilly.com/programming/free/files/how-to-make-mistakes-in-python.pdf) - Mike Pirnat (PDF) (1st edition) * [How to Think Like a Computer Scientist: Learning with Python, Interactive Edition](http://interactivepython.org/courselib/static/thinkcspy/index.html) (3.2) * [How to Think Like a Computer Scientist: Learning with Python](http://www.greenteapress.com/thinkpython/thinkCSpy/) - Allen B. Downey, Jeff Elkner and Chris Meyers (2.4) * [Think Python 2e](https://greenteapress.com/wp/think-python-2e/) - Allen B. Downey (2.x & 3.0) * [Intermediate Python](http://book.pythontips.com/en/latest/index.html#) - Muhammad Yasoob Ullah Khalid (1st edition) * [Introduction to Programming with Python](http://opentechschool.github.io/python-beginners/en/) (3.3) * [Introduction to Programming Using Python](http://python-ebook.blogspot.co.uk) - Cody Jackson (1st edition) (2.3) * [Introduction to Python](http://kracekumar.com/post/71171551647/introduction-to-python) - Kracekumar (2.7.3) * [Invent Your Own Computer Games With Python](http://inventwithpython.com/invent4thed/) - Al Sweigart (3.1) * [Learn Python, Break Python](http://learnpythonbreakpython.com) * [Learn Python in Y minutes](https://learnxinyminutes.com/docs/python/) * [Learn Python Programming, Second Edition](https://www.packtpub.com/free-ebooks/learn-python-programming-second-edition) - Fabrizio Romano (Packt account *required*) * [Learn to Program Using Python](https://www.ida.liu.se/~732A47/literature/PythonBook.pdf) - Cody Jackson (PDF) * [Learning to Program](http://www.alan-g.me.uk) * [Lectures on scientific computing with python](https://github.com/jrjohansson/scientific-python-lectures) - J.R. Johansson (2.7) * [Making Games with Python & Pygame](http://inventwithpython.com/pygame/chapters/) - Al Sweigart (2.7) * [Math for programmers (using python)](https://akuli.github.io/math-tutorial/) * [Modeling and Simulation in Python](https://greenteapress.com/wp/modsimpy/) - Allen B. Downey (PDF) * [Modeling Creativity: Case Studies in Python](http://www.clips.ua.ac.be/sites/default/files/modeling-creativity.pdf) - Tom D. De Smedt (PDF) * [Natural Language Processing with Python](http://www.nltk.org/book/) (3.x) * [Non-Programmer's Tutorial for Python 3](https://en.wikibooks.org/wiki/Non-Programmer%27s_Tutorial_for_Python_3) - Wikibooks (3.3) * [Non-Programmer's Tutorial for Python 2.6](https://en.wikibooks.org/wiki/Non-Programmer%27s_Tutorial_for_Python_2.6) - Wikibooks (2.6) * [Picking a Python Version: A Manifesto](https://www.oreilly.com/ideas/picking-a-python-version) - David Mertz * [Porting to Python 3: An In-Depth Guide](http://python3porting.com) (2.6 - 2.x & 3.1 - 3.x) * [Practical Programming in Python](https://launchpadlibrarian.net/165489933/PracticalProgrammingPython2014.pdf) - Jeffrey Elkner (PDF) * [Problem Solving with Algorithms and Data Structures using Python](https://runestone.academy/runestone/books/published/pythonds3/index.html) - Bradley N. Miller and David L. Ranum (3.x) * [Program Arcade Games With Python And Pygame](http://programarcadegames.com) (3.3) * [Programming Computer Vision with Python](http://programmingcomputervision.com/downloads/ProgrammingComputerVision_CCdraft.pdf) (PDF) * [Python 101](https://python101.pythonlibrary.org) - Michael Driscoll (HTML, TEXT) * [Python 2 Official Documentation](https://docs.python.org/2/download.html) (PDF, HTML, TEXT) (2.x) * [Python 2.7 quick reference](https://web.archive.org/web/20171013204449/http://infohost.nmt.edu/tcc/help/pubs/python27/python27.pdf) - John W. Shipman (PDF) (2.7) * [Python 3 Official Documentation](https://docs.python.org/3/download.html) (PDF, EPUB, HTML, TEXT) (3.x) * [Python 3 Tutorial](https://github.com/Akuli/python-tutorial) * [Python Data Science Handbook](https://github.com/jakevdp/PythonDataScienceHandbook) - Jake VanderPlas (HTML, Jupyter Notebooks) * [Python for Everybody Exploring Data Using Python 3](http://py4e.com/book.php) - Charles Severance (PDF, EPUB, HTML) * [Python for Informatics: Exploring Information](http://www.pythonlearn.com/book.php) (2.7.5) * [Python for you and me](http://pymbook.readthedocs.org/en/latest/) (2.7.3) * [Python for you and me](http://pymbook.readthedocs.org/en/py3/) (3.x) * [Python Idioms](http://safehammad.com/downloads/python-idioms-2014-01-16.pdf) (PDF) * [Python in Education](https://www.oreilly.com/ideas/python-in-education) - Nicholas Tollervey * [Python in Hydrology](http://www.greenteapress.com/pythonhydro/pythonhydro.html) - Sat Kumar Tomer * [Python Koans](https://github.com/gregmalcolm/python_koans) (2.7 or 3.x) * [Python Machine Learning By Example](https://www.packtpub.com/free-ebooks/python-machine-learning-example) - Yuxi (Hayden) Liu (Packt account *required*) * [Python Module of the Week](https://pymotw.com/3/) (3.x) * [Python Module of the Week](https://pymotw.com/2/) (2.x) * [Python Notes for Professionals](http://books.goalkicker.com/PythonBook/) - Compiled from StackOverflow documentation (3.x) * [Python Practice Book](http://anandology.com/python-practice-book/index.html) (2.7.1) * [Python Practice Projects](http://pythonpracticeprojects.com) * [Python Programming](https://en.wikibooks.org/wiki/Python_Programming) - Wikibooks (2.7) * [Python Programming](https://upload.wikimedia.org/wikipedia/commons/9/91/Python_Programming.pdf) - Wikibooks (PDF) (2.6) * [Scipy Lecture Notes](http://scipy-lectures.github.io) * [SICP in Python](http://www-inst.eecs.berkeley.edu/~cs61a/sp12/book/) (3.2) * [Slither into Python: An introduction to Python for beginners](https://www.slitherintopython.com) (3.7) * [Suporting Python 3: An In-Depth Guide](http://python3porting.com) (2.6 - 2.x & 3.1 - 3.x) * [Test-Driven Web Development with Python](http://www.obeythetestinggoat.com/pages/book.html) - Harry Percival (3.3 - 3.x) * [Text Processing in Python](http://gnosis.cx/TPiP/) - David Mertz (2.3 - 2.x) * [The Coder's Apprentice: Learning Programming with Python 3](http://www.spronck.net/pythonbook/) - Pieter Spronck (PDF) (3.x) * [The Definitive Guide to Jython, Python for the Java Platform](https://jython.readthedocs.io/en/latest/) - Josh Juneau, Jim Baker, Victor Ng, Leo Soto, Frank Wierzbicki (2.5) * [The Little Book of Python Anti-Patterns](http://docs.quantifiedcode.com/python-anti-patterns/) ([Source](https://github.com/quantifiedcode/python-anti-patterns)) * [The Programming Historian](http://niche-canada.org/research/niche-digital-infrastructure-project/the-programming-historian/) - William J. Turkel, Adam Crymble and Alan MacEachern * [The Python GTK+ 3 Tutorial](http://python-gtk-3-tutorial.readthedocs.org/en/latest/) * [The Standard Python Library](http://effbot.org/librarybook/) - Fredrik Lundh * [Think Complexity](https://greenteapress.com/wp/think-complexity-2e/) - Allen B. Downey (2nd Edition) (PDF, HTML) * [Think DSP - Digital Signal Processing in Python](https://greenteapress.com/wp/think-dsp/) - Allen B. Downey (PDF, HTML) * [Tiny Python 3.6 Notebook](https://github.com/mattharrison/Tiny-Python-3.6-Notebook) - Matt Harrison (3.6) * [Web2py: Complete Reference Manual, 6th Edition (pre-release)](http://web2py.com/book) (2.5 - 2.x) #### Django * [Django Girls Tutorial](https://tutorial.djangogirls.org/en/) (1.11) * [Django Official Documentation](https://media.readthedocs.org/pdf/django/1.5.x/django.pdf) (PDF) (1.5) * [Django Official Documentation](https://media.readthedocs.org/pdf/django/1.7.x/django.pdf) (PDF) (1.7) * [Django Official Documentation](https://media.readthedocs.org/pdf/django/1.9.x/django.pdf) (PDF) (1.9) * [Django Official Documentation](https://media.readthedocs.org/pdf/django/1.10.x/django.pdf) (PDF) (1.10) * [Django Official Documentation](https://buildmedia.readthedocs.org/media/pdf/django/2.2.x/django.pdf) (PDF) (2.2) * [Django RESTful Web Services](https://www.packtpub.com/free-ebooks/django-restful-web-services) - Gaston C. Hillar (Packt account *required*) * [Djen of Django](http://agiliq.com/books/djenofdjango/) * [Effective Django](https://web.archive.org/web/20181130092020/http://www.effectivedjango.com/) (1.5) * [How to Tango With Django](http://www.tangowithdjango.com/book17/) (1.7) #### Flask * [Explore Flask](https://exploreflask.com) - Robert Picard * [The Flask Mega-Tutorial](http://blog.miguelgrinberg.com/post/the-flask-mega-tutorial-part-i-hello-world) - Miguel Grinberg (0.9) #### Kivy * [Kivy Programming Guide](https://kivy.org/docs/guide-index.html) #### Pandas * [Learn Pandas](https://bitbucket.org/hrojas/learn-pandas) - Hernan Rojas (0.18.1) #### Pyramid * [Quick Tutorial for Pyramid](http://docs.pylonsproject.org/projects/pyramid/en/latest/quick_tutorial/index.html#quick-tutorial) #### Tornado * [Learn Web Programming](https://bitbucket.org/hrojas/learn-web-programming) ### QML * [Qt5 Cadaques](http://qmlbook.github.io) - Juergen Bocklage-Ryannel and Johan Thelin (HTML, PDF, ePub) (:construction: *in process*) ### R * [Advanced R Programming](http://adv-r.had.co.nz) - Hadley Wickham * [An Introduction to Statistical Learning with Applications in R](http://www-bcf.usc.edu/~gareth/ISL/) - Gareth James, Daniela Witten, Trevor Hastie and Robert Tibshirani (PDF) * [Cookbook for R](http://www.cookbook-r.com) - Winston Chang * [Data Analysis and Prediction Algorithms with R](https://rafalab.github.io/dsbook/) - Rafael A. Irizarry * [Data Analysis for the Life Sciences](https://leanpub.com/dataanalysisforthelifesciences) - Rafael A Irizarry, Michael I Love *(Leanpub account or valid email requested)* * [Efficient R programming](https://csgillespie.github.io/efficientR/) - Colin Gillespie, Robin Lovelace * [Exploratory Data Analysis with R](https://leanpub.com/exdata) - Roger D. Peng *(Leanpub account or valid email requested)* * [Introduction to Probability and Statistics Using R](https://github.com/gjkerns/IPSUR) - G. Jay Kerns (PDF) * [Learning Statistics with R](https://learningstatisticswithr.com/book/) - Danielle Navarro * [ModernDive](https://ismayc.github.io/moderndiver-book/) - Chester Ismay and Albert Y. Kim * [Practical Regression and Anova using R](http://cran.r-project.org/doc/contrib/Faraway-PRA.pdf) - Julian J. Faraway (PDF) * [R for Data Science](http://r4ds.had.co.nz) - Garrett Grolemund and Hadley Wickham * [R for Spatial Analysis](http://www.columbia.edu/~cjd11/charles_dimaggio/DIRE/resources/spatialEpiBook.pdf) (PDF) * [R Language for Programmers](http://www.johndcook.com/blog/r_language_for_programmers) - John D. Cook * [R Packages](http://r-pkgs.had.co.nz) - Hadley Wickham * [R Practicals](http://www.columbia.edu/~cjd11/charles_dimaggio/DIRE/resources/R/practicalsBookNoAns.pdf) (PDF) * [R Programming](https://en.wikibooks.org/wiki/R_Programming) - Wikibooks * [R Programming for Data Science](https://leanpub.com/rprogramming) - Roger D. Peng *(Leanpub account or valid email requested)* * [R Succinctly, Syncfusion](https://www.syncfusion.com/resources/techportal/ebooks/rsuccinctly) (PDF, Kindle) (email address *requested*, not required) * [The caret Package](http://topepo.github.io/caret/index.html) - Max Kuhn * [The R Inferno](http://www.burns-stat.com/pages/Tutor/R_inferno.pdf) - Patrick Burns (PDF) * [The R Language](http://stat.ethz.ch/R-manual/R-patched/doc/html) * [The R Manuals](http://cran.r-project.org/manuals.html) * [Tidy Text Mining with R](http://tidytextmining.com) - Julia Silge and David Robinson ### Racket * [How to Design Programs](https://htdp.org/2019-02-24/) - Matthias Felleisen, Robert Bruce Findler, Matthew Flatt, Shriram Krishnamurthi * [Programming Languages: Application and Interpretation](http://cs.brown.edu/courses/cs173/2012/book/index.html) * [The Racket Guide](http://docs.racket-lang.org/guide/index.html) ### Raku * [Metagenomics](https://legacy.gitbook.com/download/pdf/book/kyclark/metagenomics) - Ken Youens-Clark (PDF) * [Perl 6 at a Glance](https://andrewshitov.com/wp-content/uploads/2020/01/Perl-6-at-a-Glance.pdf) - Andrew Shitov (PDF) * [Raku Guide](https://raku.guide) (HTML) [(PDF)](https://github.com/hankache/rakuguide) * [Raku One-Liners](https://andrewshitov.com/wp-content/uploads/2020/01/Raku-One-Liners.pdf) - Andrew Shitov (PDF) * [Raku Programming](https://en.wikibooks.org/wiki/Raku_Programming) - Wikibooks (HTML) * [Think Raku](https://github.com/LaurentRosenfeld/think_raku/raw/master/PDF/think_raku.pdf) - Laurent Rosenfeld, with Allen B. Downey (PDF) * [Using Perl 6](https://github.com/perl6/book/) (:construction: *project is dead*) * [X=Raku](https://learnxinyminutes.com/docs/raku/) - Learn X in Y minutes (HTML) ### Raspberry Pi * [Raspberry Pi: Measure, Record, Explore](https://leanpub.com/RPiMRE/read) - Malcolm Maclean (HTML) * [Raspberry Pi Users Guide - (2012)](http://www.cs.unca.edu/~bruce/Fall14/360/RPiUsersGuide.pdf) - Eben Upton (PDF) * [The Official Raspberry Pi Project Book](https://www.raspberrypi.org/magpi-issues/Projects_Book_v1.pdf) (PDF) ### REBOL * [Learn REBOL](http://www.lulu.com/shop/nick-antonaccio/learn-rebol/ebook/product-17383182.html) - Nick Antonaccio ### Ruby * [A community-driven Ruby style guide](https://github.com/bbatsov/ruby-style-guide) * [CodeCademy Ruby](https://www.codecademy.com/learn/ruby) * [Developing Games With Ruby](https://leanpub.com/developing-games-with-ruby/read) - Tomas Varaneckas * [I Love Ruby](https://i-love-ruby.gitlab.io) * [Introduction to Programming with Ruby](https://launchschool.com/books/ruby) - Launch School * [Just Enough Ruby to Get By](http://jasonkim.ca/projects/just_enough_ruby_to_get_by/) * [Learn Ruby First](https://essenceofchaos.gitbooks.io/learn-ruby-first/content/) - Frederick John * [Learn Ruby the Hard Way](http://learnrubythehardway.org/book/) - Zed Shaw * [Learn to Program](http://pine.fm/LearnToProgram/) - Chris Pine * [Mr. Neighborly's Humble Little Ruby Book](https://web.archive.org/web/20180321101922/http://www.humblelittlerubybook.com/book/html/index.html) * [Object Oriented Programming with Ruby](https://launchschool.com/books/oo_ruby) - Launch School * [Practicing Ruby](https://github.com/elm-city-craftworks/practicing-ruby-manuscripts) * [Programming Ruby](http://ruby-doc.com/docs/ProgrammingRuby/) * [Ruby Best Practices](https://github.com/practicingruby/rbp-book/tree/gh-pages/pdfs) - Gregory Brown (PDF) * [Ruby Essentials](http://www.techotopia.com/index.php/Ruby_Essentials) * [Ruby Hacking Guide](http://ruby-hacking-guide.github.io) * [Ruby in Twenty Minutes](https://www.ruby-lang.org/en/documentation/quickstart/) * [Ruby Koans](http://www.rubykoans.com) * [Ruby Learning](http://rubylearning.com) * [Ruby Programming](http://www.linuxtopia.org/online_books/programming_books/ruby_tutorial/) * [Ruby User's Guide](https://ruby-doc.org/docs/ruby-doc-bundle/UsersGuide/rg/index.html) * [Ruby Web Dev: The Other Way](https://leanpub.com/rwdtow/read) - Yevhen Kuzminov * [Rubyfu](https://rubyfu.net) * [The Bastards Book of Ruby](http://ruby.bastardsbook.com) * [The Book Of Ruby](http://www.sapphiresteel.com/ruby-programming/The-Book-Of-Ruby.html) - Huw Collingbourne * [The Definitive Ruby Tutorial For Complete Beginners](https://www.rubyguides.com/ruby-tutorial/) - Jesus Castello * [The Little Book Of Ruby](http://www.sapphiresteel.com/ruby-programming/The-Little-Book-Of-Ruby.html) - Huw Collingbourne * [The Ruby Reference](https://rubyreferences.github.io/rubyref/) - Victor Shepelev * [The Unofficial Ruby Usage Guide (at Google)](http://www.caliban.org/ruby/rubyguide.shtml) - Ian Macdonald * [Using Blocks in Ruby](https://www.oreilly.com/programming/free/files/using-blocks-in-ruby.pdf) - Jay McGavren (PDF) * [Why's (Poignant) Guide to Ruby](http://poignant.guide) #### RSpec * [Better Specs (RSpec Guidelines with Ruby)](http://betterspecs.org) #### Ruby on Rails * [A community-driven Rails style guide](https://github.com/bbatsov/rails-style-guide) * [Building REST APIs with Rails](http://apionrails.icalialabs.com/book) * [Kestrels, Quirky Birds, and Hopeless Egocentricity](https://leanpub.com/combinators/read) - Reg Braithwaite * [Learn Ruby on Rails as You Modify a Craigslist Clone](http://www.thinkful.com/learn/ruby-on-rails-tutorial/) * [Objects on Rails](https://web.archive.org/web/20190319201525/http://objectsonrails.com/) - Avdi Grimm * [Rails Girls Guides](http://guides.railsgirls.com) * [Ruby on Rails 3.2 - Step by Step](http://www.xyzpub.com/en/ruby-on-rails/3.2/) * [Ruby on Rails 4.0 Guide](http://www.xyzpub.com/en/ruby-on-rails/4.0/) * [Ruby on Rails Guides](http://guides.rubyonrails.org) * [Ruby on Rails Tutorial (Rails 5): Learn Web Development with Rails](https://www.railstutorial.org/book) - [Michael Hartl](http://www.michaelhartl.com) * [Upgrading to Rails 4](https://github.com/alindeman/upgradingtorails4) #### Sinatra * [Sinatra Book](https://github.com/sinatra/sinatra-book) ### Rust * [Rust by Example](https://doc.rust-lang.org/stable/rust-by-example/) * [Rust for Rubyists](https://web.archive.org/web/20190520171322/http://www.rustforrubyists.com/book/index.html) - Steve Klabnik * [The Rust Programming Language](http://doc.rust-lang.org/book/) * [The Rustonomicon](https://doc.rust-lang.org/nomicon/) * [Why Rust?](http://www.oreilly.com/programming/free/files/why-rust.pdf) (PDF) ### Sage * [Sage for Power Users](http://wstein.org/books/sagebook/sagebook.pdf) - William Stein (PDF) * [The Sage Manuals](http://www.sagemath.org/doc/) ### Scala * [A Scala Tutorial for Java programmers](https://docs.scala-lang.org/tutorials/scala-for-java-programmers.html) (PDF) * [Advanced Scala with Cats](http://underscore.io/books/advanced-scala/) - Noel Welsh and Dave Gurnell (PDF, HTML, EPUB) (email address *requested*, not required) * [Another tour of Scala](https://web.archive.org/web/20190629103826/http://naildrivin5.com/scalatour/) - David Copeland * [Creative Scala](http://underscore.io/books/creative-scala/) - Noel Welsh and Dave Gurnell (PDF, HTML, EPUB) (email address *requested*, not required) * [EAI Patterns with Actor Model](https://github.com/alexanderfefelov/eai-patterns-with-actor-model) - Vaughn Vernon * [Effective Scala](https://twitter.github.io/effectivescala/) * [Essential Scala](http://underscore.io/books/essential-scala/) - Noel Welsh and Dave Gurnell (PDF, HTML, EPUB) (email address *requested*, not required) * [Functional Programming for Mortals](https://leanpub.com/fpmortals/read) - Sam Halliday * [Functional Programming, Simplified (Scala edition)](https://alvinalexander.com/photos/functional-programming-simplied-free-pdf-preview) - Alvin Alexander (free preview (400 pages from 595), PDF) * [Hello, Scala](https://alvinalexander.com/photos/hello-scala-free-pdf-preview) - Alvin Alexander (free preview (120 pages from 257), PDF) * [Learning Scala in small bites](http://matt.might.net/articles/learning-scala-in-small-bites/) * [Learning Scalaz](http://eed3si9n.com/learning-scalaz/) * [Pro Scala: Monadic Design Patterns for the Web](https://github.com/leithaus/XTrace/tree/monadic/src/main/book/content/) * [Programming in Scala, First Edition](http://www.artima.com/pins1ed/) - by M. Odersky, L. Spoon, B. Venners * [Pure functional HTTP APIs in Scala](https://leanpub.com/pfhais/read) - Jens Grassel * [PythonToScala](https://wrobstory.gitbooks.io/python-to-scala/content/) - Rob Story * [S-99: Ninety-Nine Scala Problems](http://aperiodic.net/phil/scala/s-99/) - Phil! Gold * [Scala & Design Patterns: Exploring Language Expressivity](http://www.scala-lang.org/old/sites/default/files/FrederikThesis.pdf) - Fredrik Skeel Løkke (PDF) * [Scala By Example](https://www.scala-lang.org/old/sites/default/files/linuxsoft_archives/docu/files/ScalaByExample.pdf) - M. Odersky (PDF) * [Scala Cookbook: Bonus Chapters](http://examples.oreilly.com/9781449339616-files/Scala_Cookbook_bonus_chapters.pdf) - Alvin Alexander (PDF) * [Scala for Perl 5 Programmers](https://github.com/garu/scala-for-perl5-programmers) - Breno G. de Oliveira * [Scala for the Impatient (A1 Scala Level chapters)](http://www.typesafe.com/resources/e-books) - Cay S. Horstmann * [Scala School by Twitter](http://twitter.github.io/scala_school/) * [Scala Succinctly](https://www.syncfusion.com/ebooks/scala_succinctly) - Chris Rose * [Scala Tutorial](http://www.tutorialspoint.com/scala/scala_tutorial.pdf) (PDF) * [tetrix in Scala](http://eed3si9n.com/tetrix-in-scala-html5-book) * [The Neophyte's Guide to Scala](http://danielwestheide.com/scala/neophytes.html) - Daniel Westheide * [The Type Astronaut's Guide to Shapeless](http://underscore.io/books/shapeless-guide/) - Dave Gurnell (PDF, HTML, EPUB) (email address *requested*, not required) * [Xtrace](https://github.com/leithaus/XTrace/tree/monadic/src/main/book/content/) #### Lift * [Exploring Lift](http://exploring.liftweb.net) (published earlier as "The Definitive Guide to Lift", [PDF](http://groups.google.com/group/the-lift-book)) * [Lift](https://github.com/tjweir/liftbook) * [Lift Cookbook](https://www.oreilly.com/library/view/lift-cookbook/9781449365042/) - Richard Dallaway * [Simply Lift](http://simply.liftweb.net/Simply_Lift.pdf) - David Pollak (PDF) #### Play Scala * [Essential Play](http://underscore.io/books/essential-play/) - Dave Gurnell (PDF, HTML, EPUB) (email address *requested*, not required) * [Play Framework Recipes](http://alvinalexander.com/scala/scala-cookbook-play-framework-recipes-pdf-ebook) - Alvin Alexander ### Scheme * [A Pamphlet Against R. Computational Intelligence in Guile Scheme](https://panicz.github.io/pamphlet/) * [An Introduction to Scheme and its Implementation](http://www.cs.rpi.edu/academics/courses/fall00/ai/scheme/reference/schintro-v14/schintro_toc.html) * [Concrete Abstractions: An Introduction to Computer Science Using Scheme](https://gustavus.edu/+max/concrete-abstractions.html) - M. Hailperin, B. Kaiser, K. Knight * [Scheme Tutorial](http://www.cs.hut.fi/Studies/T-93.210/schemetutorial/) * [Simply Scheme: Introducing Computer Science](http://www.cs.berkeley.edu/~bh/ss-toc2.html) - B. Harvey, M. Wright * [Teach Yourself Scheme in Fixnum Days](https://ds26gte.github.io/tyscheme/index-Z-H-1.html) * [The Scheme Programming Language: Edition 3](http://www.scheme.com/tspl3/) - [The Scheme Programming Language: Edition 4](http://www.scheme.com/tspl4/) * [Write Yourself a Scheme in 48 Hours](https://en.wikibooks.org/wiki/Write_Yourself_a_Scheme_in_48_Hours) - Wikibooks ### Scilab * [Introduction to Scilab](http://forge.scilab.org/index.php/p/docintrotoscilab/downloads/) * [Programming in Scilab](http://forge.scilab.org/index.php/p/docprogscilab/downloads/) * [Writing Scilab Extensions](http://forge.scilab.org/index.php/p/docsciextensions/downloads/) ### Scratch * [An Introductory Computing Curriculum Using Scratch](http://scratched.gse.harvard.edu/guide/download.html) * [Computer Science Concepts in Scratch](https://stwww1.weizmann.ac.il/scratch/scratch_en/) * [Scratch Programming Playground](https://inventwithscratch.com/book/) - Al Sweigart ### Sed * [Sed - An Introduction and Tutorial](http://www.grymoire.com/Unix/Sed.html) ### Self * [The Self Handbook](http://handbook.selflanguage.org) ### Smalltalk * [Deep into Pharo](http://books.pharo.org/deep-into-pharo/) - Alexandre Bergel, Damien Cassou, Stéphane Ducasse, Jannik Laval * [Dynamic Web Development with Seaside](http://book.seaside.st/book/table-of-contents) - S. Ducasse, L. Renggli, C. D. Shaffer, R. Zaccone * [Enterprise Pharo: a Web Perspective](http://books.pharo.org/enterprise-pharo/) * [Numerical Methods with Pharo](http://books.pharo.org/numerical-methods/) - Didier Besset, Stéphane Ducasse, Serge Stinckwich * [Pharo by Example](http://books.pharo.org/pharo-by-example/) - Andrew P. Black et al. (Smalltalk Implementation and IDE) * [Stef's Free Online Smalltalk Books](http://stephane.ducasse.free.fr/FreeBooks.html) (meta-list) ### Snap * [Snap! Reference Manual](https://snap.berkeley.edu/snapsource/help/SnapManual.pdf) - B. Harvey, J. Mönig (PDF) ### Spark * [Databricks Spark Knowledge Base](https://www.gitbook.com/book/databricks/databricks-spark-knowledge-base/details) * [Databricks Spark Reference Applications](https://www.gitbook.com/book/databricks/databricks-spark-reference-applications/details) * [Mastering Apache Spark](https://www.gitbook.com/book/jaceklaskowski/mastering-apache-spark/details) ### Splunk * [Splunk 7.x Quick Start Guide](https://www.packtpub.com/free-ebooks/splunk-7x-quick-start-guide) - James H. Baxter (Packt account *required*) ### SQL (implementation agnostic) * [Developing Time-Oriented Database Applications in SQL](https://www2.cs.arizona.edu/~rts/tdbbook.pdf) - Richard T. Snodgrass (PDF) * [SQL For Web Nerds](http://philip.greenspun.com/sql/) * [SQL Notes for Professionals](http://books.goalkicker.com/SQLBook/) * [SQL Queries Succinctly](https://www.syncfusion.com/ebooks/sql_queries_succinctly) - Nick Harrison * [Use The Index, Luke!: A Guide To SQL Database Performance](http://use-the-index-luke.com) ### SQL Server * [Best of SQLServerCentral.com Vol 7](http://www.red-gate.com/community/books/ssc-7) *(RedGate, By SQLServerCentral Authors) * [Brad's Sure Guide to SQL Server Maintenance Plans](http://www.red-gate.com/community/books/sql-server-maintenance-plans) - Brad McGehee (PDF) (email address *requested*) * [Defensive Database Programming](https://www.red-gate.com/library/defensive-database-programming) - Alex Kuznetsov (PDF) * [Fundamentals Of SQL Server 2012 Replication](https://www.red-gate.com/library/fundamentals-of-sql-server-2012-replication) - Sebastian Meine (PDF) (email address *requested*) * [How to Become an Exceptional DBA, Second edition](http://www.red-gate.com/community/books/exceptional-dba-book) - Brad McGehee (PDF) * [Inside the SQL Server Query Optimizer](http://www.red-gate.com/products/sql-development/sql-prompt/entrypage/sql-query-optimizer-ebook3) - Benjamin Nevarez (PDF) (email address *requested*) * [Introducing Microsoft SQL Server 2008 R2](http://social.technet.microsoft.com/wiki/contents/articles/11608.e-book-gallery-for-microsoft-technologies-en.aspx#IntroducingMicrosoftSQLServer2008R2) * [Introducing Microsoft SQL Server 2012](http://social.technet.microsoft.com/wiki/contents/articles/11608.e-book-gallery-for-microsoft-technologies-en.aspx#IntroducingMicrosoftSQLServer2012) * [Introducing Microsoft SQL Server 2014](http://blogs.msdn.com/b/microsoft_press/archive/2014/04/02/free-ebook-introducing-microsoft-sql-server-2014.aspx) * [Mastering SQL Server Profiler](http://www.red-gate.com/community/books/mastering-sql-server-profiler) - Brad McGehee (PDF) * [Microsoft SQL Server Notes for Professionals](http://books.goalkicker.com/MicrosoftSQLServerBook/) (Compiled from StackOverflow documentation) * [Performance Tuning with SQL Server Dynamic Management Views](http://www.red-gate.com/community/books/dynamic-management-views) - Tim Ford, Louis Davidson (PDF) * [Protecting SQL Server Data](http://www.red-gate.com/community/books/protecting-data) - John Magnabosco (PDF) * [SQL Server 2012 Tutorials: Reporting Services](http://social.technet.microsoft.com/wiki/contents/articles/11608.e-book-gallery-for-microsoft-technologies-en.aspx#SQLServer2012Tutorials%3AReportingServices) * [SQL Server 2017 Administrator's Guide](https://www.packtpub.com/free-ebooks/sql-server-2017-administrators-guide) - Marek Chmel, Vladimír Mužný (Packt account *required*) * [SQL Server Backup and Restore](http://www.red-gate.com/community/books/sql-server-backup-and-restore) - Shawn McGehee (PDF) (email address *requested*) * [SQL Server Execution Plans, Third Edition](https://assets.red-gate.com/community/books/sql-server-execution-plans-3rd-edition.pdf) - Grant Fritchey (PDF) * [SQL Server for C# Developers Succinctly](https://www.syncfusion.com/ebooks/sql_server_for_c_sharp_developers_succinctly) - Sander Rossel * [SQL Server Hardware](http://www.red-gate.com/community/books/sql-server-hardware) - Glenn Berry (PDF) * [SQL Server Internals: In-Memory OLTP](http://www.red-gate.com/library/sql-server-internals-in-memory-oltp) - Kalen Delaney (PDF) * [SQL Server Metadata Succinctly](https://www.syncfusion.com/ebooks/sql-server-metadata-succinctly) - Joseph D. Booth * [SQL Server Source Control Basics](https://www.red-gate.com/products/sql-development/sql-source-control/entrypage/sql-server-source-control-basics) - Rob Sheldon, Rob Richardson, Tony Davis (PDF) * [SQL Server Statistics](http://www.red-gate.com/community/books/sql-server-statistics) - Holger Schmeling (PDF) * [SQL Server Stumpers Vol.5](http://www.red-gate.com/community/books/sql-server-stumpers-v5) (PDF) * [SQL Server Tacklebox](http://www.red-gate.com/community/books/sql-server-tacklebox) - Rodney Landrum (PDF) * [SQL Server Transaction Log Management](http://www.red-gate.com/community/books/sql-server-transaction-log-management) - Tony Davis, Gail Shaw (PDF) * [The Art of SQL Server FILESTREAM](http://www.red-gate.com/community/books/art-of-filestream) - Jacob Sebastian, Sven Aelterman (PDF) * [The Art of XSD](https://www.red-gate.com/library/the-art-of-xsd) - Jacob Sebastian (PDF) * [The Best of SQLServerCentral.com Vol 7](https://www.red-gate.com/library/the-best-of-sqlservercentral-com-vol-7) (PDF) * [The Redgate Guide to SQL Server Team-based Development](https://www.red-gate.com/library/the-redgate-guide-to-sql-server-team-based-development) - Phil Factor, Grant Fritchey, Alex Kuznetsov, Mladen Prajdić (PDF) * [Troubleshooting SQL Server: A Guide for the Accidental DBA](http://www.red-gate.com/community/books/accidental-dba) - Jonathan Kehayias, Ted Krueger (PDF) ### Standard ML * [Introduction to Standard ML](http://www.pllab.riec.tohoku.ac.jp/smlsharp/smlIntroSlides.pdf) - Atsushi Ohori (PDF) * [Programming in Standard ML '97](http://homepages.inf.ed.ac.uk/stg/NOTES/) - Stephen Gilmore, University of Edinburgh * [Programming in Standard ML, DRAFT](http://www.cs.cmu.edu/~rwh/isml/book.pdf) - Robert Harper (PDF) * [SML# Document](http://www.pllab.riec.tohoku.ac.jp/smlsharp/docs/3.0/en/manual.xhtml) - Atsushi Ohori, Katsuhiro Ueno * [The Definition of Standard ML (Revised)](http://sml-family.org/sml97-defn.pdf) - SMLFamily GitHub project (PDF) ### Subversion * [Subversion Version Control](http://ptgmedia.pearsoncmg.com/images/0131855182/downloads/Nagel_book.pdf) (PDF) * [Version Control with Subversion](http://svnbook.red-bean.com) ### Swift * [Hacking with Swift](https://www.hackingwithswift.com) * [The Swift Programming Language](https://developer.apple.com/library/prerelease/ios/documentation/Swift/Conceptual/Swift_Programming_Language/index.html) (HTML) [(iBook)](https://itunes.apple.com/us/book/swift-programming-language/id881256329?mt=11) * [Using Swift with Cocoa and Objective-C](https://developer.apple.com/library/content//documentation/Swift/Conceptual/BuildingCocoaApps/index.html) (HTML) [(iBook)](https://itunes.apple.com/us/book/using-swift-cocoa-objective/id888894773?mt=11) #### Vapor * [Vapor 3 Tutorial For Beginners](https://theswiftdev.com/2018/04/09/vapor-3-tutorial-for-beginners) - Tibor Bödecs * [Vapor Official Docs](https://docs.vapor.codes) ### Tcl * [Tcl Programming](https://en.wikibooks.org/wiki/Programming%3ATcl) - Richard.Suchenwirth, et. al. ### TEI * [What is the Text Encoding Initiative?](https://books.openedition.org/oep/426) - Lou Bernard ### Teradata * [Teradata Books](http://www.info.teradata.com) ### Tizen * [Guide to Developing Tizen Native Application](https://developer.tizen.org/sites/default/files/documentation/guide_to_developing_tizen_native_application_en_2.pdf) - Jung, Dong-Geun (Denis.Jung) (PDF) ### TLA * [Specifying Systems: The TLA+ Language and Tools for Hardware and Software Engineers](http://research.microsoft.com/en-us/um/people/lamport/tla/book.html) - Leslie Lamport (Postscript or PDF) ### TypeScript * [Learn TypeScript in Y Minutes](https://learnxinyminutes.com/docs/typescript/) * [TypeScript Accelerated](https://accelerated.amimetic.co.uk) - James Porter * [TypeScript Deep Dive](https://basarat.gitbooks.io/typescript/) * [TypeScript for C# Programmers](http://www.infoq.com/minibooks/typescript-c-sharp-programmers) * [TypeScript Succinctly, Syncfusion](https://www.syncfusion.com/resources/techportal/ebooks/typescript) (PDF, Kindle) (email address *requested*, not required) ### Deno * [Deno Manual](https://deno.land/manual) * [FlavioCopes Deno Handbook](https://flaviocopes.com/deno) - *free PDF with registration* ### Unix * [An Introduction to Unix](http://www.oliverelliott.org/article/computing/tut_unix/) * [Commentary on the Sixth Edition UNIX Operating System](http://www.lemis.com/grog/Documentation/Lions/) - J. Lions * [INTRODUCTION TO UNIX](https://homepages.uc.edu/~thomam/Intro_Unix_Text/TOC.html) - Mark A. Thomas * [Unix as IDE](https://github.com/mrzool/unix-as-ide) - Tom Ryder (epub, mobi) * [UNIX Commands and Concepts](http://www.cs.bu.edu/teaching/unix/reference/) - Robert I. Pitts * [Unix for Poets](http://web.stanford.edu/class/cs124/kwc-unix-for-poets.pdf) - Kenneth Ward Church (PDF) * [Unix Toolbox](http://cb.vu/unixtoolbox.xhtml) - Colin Barschel * [UNIX Tutorial for Beginners](http://www.ee.surrey.ac.uk/Teaching/Unix/) ### Verilog * [Verilog Quick Reference Guide - Sutherland HDL](http://sutherland-hdl.com/pdfs/verilog_2001_ref_guide.pdf) (PDF) * [Verilog Tutorial](http://www.asic-world.com/verilog/veritut.html) ### VHDL * [Free Range VHDL](https://github.com/fabriziotappero/Free-Range-VHDL-book) - Bryan Mealy, Fabrizio Tappero (TeX and PDF) * [VHDL Tutorial](http://www.seas.upenn.edu/~ese171/vhdl/vhdl_primer.html) * [VHDL Tutorial: Learn By Example](http://esd.cs.ucr.edu/labs/tutorial/) ### Vim * [A Byte of Vim](http://www.swaroopch.com/notes/vim/) * [Learn Vim (the Smart Way)](https://github.com/iggredible/Learn-Vim) (HTML) (:construction: *in process*) * [Learn Vim Progressively](http://yannesposito.com/Scratch/en/blog/Learn-Vim-Progressively/) * [Learn Vimscript the Hard Way](http://learnvimscriptthehardway.stevelosh.com) * [Use Vim Like A Pro](https://leanpub.com/VimLikeAPro) - Tim Ottinger *(Leanpub account or valid email requested)* * [Vi Improved -- Vim](http://www.truth.sk/vim/vimbook-OPL.pdf) - Steve Oualline (PDF) * [VIM-GALORE - All things Vim!](https://github.com/mhinz/vim-galore#readme) (HTML) * [Vim Recipes](https://web.archive.org/web/20130302172911/http://vim.runpaint.org/vim-recipes.pdf) (PDF) * [Vim Regular Expressions 101](http://vimregex.com) ### Visual Basic * [Visual Basic Essentials](http://www.techotopia.com/index.php/Visual_Basic_Essentials) * [Visual Basic Official Docs](https://docs.microsoft.com/en-us/dotnet/visual-basic) ### Visual Prolog * [A Beginners' Guide to Visual Prolog](http://wiki.visual-prolog.com/index.php?title=A_Beginners_Guide_to_Visual_Prolog) * [Visual Prolog for Tyros](http://wiki.visual-prolog.com/index.php?title=Visual_Prolog_for_Tyros) ### Web Services * [RESTful Web Services](http://restfulwebapis.org/RESTful_Web_Services.pdf) (PDF) ### Windows 8 * [Programming Windows Store Apps with HTML, CSS, and JavaScript, Second Edition](https://web.archive.org/web/20150624142410/http://download.microsoft.com/download/6/6/5/665AF7A6-2184-45DC-B9DA-C89185B01937/Microsoft_Press_eBook_Programming_Windows_8_Apps_HTML_CSS_JavaScript_2E_PDF.pdf) - Kraig Brockschmidt (PDF) ### Windows Phone * [Developing An Advanced Windows Phone 7.5 App That Connects To The Cloud](http://coolthingoftheday.blogspot.co.uk/2012/05/free-ebook-guidance-advanced-windows.html) * [Windows Phone 8 Development Succinctly](https://www.syncfusion.com/resources/techportal/ebooks/windowsphone8) - Matteo Pagani (PDF) * [Windows Phone 8.1 Development for Absolute Beginners](http://channel9.msdn.com/Series/Windows-Phone-8-1-Development-for-Absolute-Beginners) * [Windows Phone Programming Blue Book](http://www.robmiles.com/c-yellow-book/) ### Workflow * [Declare Peace on Virtual Machines. A guide to simplifying vm-based development on a Mac](https://leanpub.com/declarepeaceonvms/read) ### xBase (dBase / Clipper / Harbour) * [Application Development with Harbour](https://en.wikibooks.org/wiki/Application_Development_with_Harbour) - Wikibooks * [CA-Clipper 5.2 Norton Guide](https://web.archive.org/web/20190516192814/http://www.ousob.com/ng/clguide/) * [Clipper Tutorial: a Guide to Open Source Clipper(s)](https://en.wikibooks.org/wiki/Clipper_Tutorial%3A_a_Guide_to_Open_Source_Clipper(s)) - Wikibooks