[mitmproxy](https://mitmproxy.org/) | An interactive console program that allows traffic flows to be intercepted, inspected, modified and replayed
[Ettercap](https://ettercap.github.io/ettercap/) | Ettercap is a comprehensive suite for man in the middle attacks
[BetterCAP](https://www.bettercap.org/) | MITM attacks against a network, manipulate HTTP, HTTPS and TCP traffic in realtime, sniff for credentials and much more.
[Core Impact](https://www.coresecurity.com/core-impact) | Core Impact provides vulnerability assessment and penetration security testing throughout your organization.
[Shodan](http://shodan.io/) | Shodan is the world's first search engine for Internet-connected devices.
[Zoomeye](https://www.zoomeye.org/) | search engine for cyberspace that lets the user find specific network components(ip, services, etc.)
[Censys](https://www.censys.io/) | Censys continually monitors every reachable server and device on the Internet, so you can search for and analyze them in real time
[HUNT Proxy Extension](https://github.com/bugcrowd/HUNT) | Identify common parameters vulnerable to certain vulnerability classes (HUNT Scanner, availible for Burp Suite PRO and ZAProxy).
Organize testing methodologies (currently avalible only inside of Burp Suite).