10. [Virustotal](https://www.virustotal.com/) - max 128MB
11. [Fraunhofer App-ray](http://app-ray.co/) - not free
12. [AppCritique](https://appcritique.boozallen.com) - Upload your Android APKs and receive comprehensive free security assessments.
13. [NowSecure Lab Automated](https://www.nowsecure.com/blog/2016/09/19/announcing-nowsecure-lab-automated/) - Enterprise tool for mobile app security testing both Android and iOS mobile apps. Lab Automated features dynamic and static analysis on real devices in the cloud to return results in minutes. Not free
14. [AMAaaS](https://amaaas.com) - Free Android Malware Analysis Service. A baremetal service features static and dynamic analysis for Android applications. A product of [MalwarePot](https://malwarepot.com/index.php/AMAaaS).
15.~~[NVISO ApkScan](https://apkscan.nviso.be/) - sunsetting on Oct 31, 2019~~
1. [Androwarn](https://github.com/maaaaz/androwarn/) - detect and warn the user about potential malicious behaviours developed by an Android application.
13. [CFGScanDroid](https://github.com/douggard/CFGScanDroid) - Scans and compares CFG against CFG of malicious applications
14. [Madrolyzer](https://github.com/maldroid/maldrolyzer) - extracts actionable data like C&C, phone number etc.
15. [SPARTA](https://www.cs.washington.edu/sparta) - verifies (proves) that an app satisfies an information-flow security policy; built on the [Checker Framework](https://types.cs.washington.edu/checker-framework/)
18. [RiskInDroid](https://github.com/ClaudiuGeorgiu/RiskInDroid) - A tool for calculating the risk of Android apps based on their permissions, with online demo available.
20. [ClassyShark](https://github.com/google/android-classyshark) - Standalone binary inspection tool which can browse any Android executable and show important infos.
21. [StaCoAn](https://github.com/vincentcox/StaCoAn) - Crossplatform tool which aids developers, bugbounty hunters and ethical hackers performing static code analysis on mobile applications. This tool was created with a big focus on usability and graphical guidance in the user interface.
22. [JAADAS](https://github.com/flankerhqd/JAADAS) - Joint intraprocedure and interprocedure program analysis tool to find vulnerabilities in Android apps, built on Soot and Scala
4. [Mobile-Security-Framework MobSF](https://github.com/MobSF/Mobile-Security-Framework-MobSF) - Mobile Security Framework is an intelligent, all-in-one open source mobile application (Android/iOS) automated pen-testing framework capable of performing static, dynamic analysis and web API testing.
5. [AppUse](https://appsec-labs.com/AppUse/) – custom build for pentesting
6. [Cobradroid](https://thecobraden.com/projects/cobradroid/) – custom image for malware analysis
11. [Xposed](https://forum.xda-developers.com/xposed/xposed-installer-versions-changelog-t2714053) - equivalent of doing Stub based code injection but without any modifications to the binary
12. [Inspeckage](https://github.com/ac-pm/Inspeckage) - Android Package Inspector - dynamic analysis with api hooks, start unexported activities and more. (Xposed Module)
25. [Appie](https://manifestsecurity.com/appie/) - Appie is a software package that has been pre-configured to function as an Android Pentesting Environment. It is completely portable and can be carried on USB stick or smartphone. This is a one stop answer for all the tools needed in Android Application Security Assessment and an awesome alternative to existing virtual machines.
26. [StaDynA](https://github.com/zyrikby/StaDynA) - a system supporting security app analysis in the presence of dynamic code update features (dynamic class loading and reflection). This tool combines static and dynamic analysis of Android applications in order to reveal the hidden/updated behavior and extend static analysis results with this information.
31. [ARTist](https://artist.cispa.saarland) - a flexible open source instrumentation and hybrid analysis framework for Android apps and Android's java middleware. It is based on the Android Runtime's (ART) compiler and modifies code during on-device compilation.
3.~~[Android Malware Analysis Toolkit](http://www.mobilemalware.com.br/amat/download.html) - (linux distro) Earlier it use to be an [online analyzer](http://dunkelheit.com.br/amat/analysis/index_en.php)~~
31.~~[Android Reverse Engineering](https://redmine.honeynet.org/projects/are/wiki) – ARE (android reverse engineering) not under active development anymore~~
3. [AXMLPrinter2](http://code.google.com/p/android4me/downloads/detail?name=AXMLPrinter2.jar) - to convert binary XML files to human-readable XML files
12. [Android Vulnerability Test Suite](https://github.com/AndroidVTS/android-vts) - android-vts scans a device for set of vulnerabilities
13. [AppMon](https://github.com/dpnishant/appmon)- AppMon is an automated framework for monitoring and tampering system API calls of native macOS, iOS and android apps. It is based on Frida.
14. [Internal Blue](https://github.com/seemoo-lab/internalblue) - Bluetooth experimentation framework based on Reverse Engineering of Broadcom Bluetooth Controllers
5.~~[Mobile Security Reading Room](https://mobile-security.zeef.com) - A reading room which contains well categorised technical reading material about mobile penetration testing, mobile malware, mobile forensics and all kind of mobile security related topics~~
3. [Android Malware Genome Project](http://www.malgenomeproject.org/policy.html) - contains 1260 malware samples categorized into 49 different malware families, free for research purpose.
4. [Contagio Mobile Malware Mini Dump](http://contagiominidump.blogspot.com)
5. [VirusTotal Malware Intelligence Service](https://www.virustotal.com/en/about/contact/) - powered by VirusTotal, not free
2. [Android Reports and Resources](https://github.com/B3nac/Android-Reports-and-Resources) - List of Android Hackerone disclosed reports and other resources