Great security list for fun and profit

This is a defunct code base. The project is located at: https://github.com/WebGoat

Metasploit Framework

A list of resources for those interested in getting started in bug bounties

CodeQL: the libraries and queries that power security researchers around the world, as well as code scanning in GitHub Advanced Security

The OWASP Cheat Sheet Series was created to provide a concise collection of high value information on specific application security topics.