angr is an open-source binary analysis platform for Python. It combines both static and dynamic symbolic ("concolic") analysis, providing tools to solve a variety of tasks.
A powerful GUI based integrated platform for web application security testing, offering tools for intercepting traffic, scanning vulnerabilities, brute-forcing and exploiting security flaws.
A Flipper Zero app for reading and parsing metro cards, inspired by Metrodroid. It supports multi-protocol card reading and global transit card analysis.
Nightmare is an intro to binary exploitation / reverse engineering course based around ctf challenges. I call it that because it's a lot of people's nightmare to get hit by weaponized 0 days, which these skills directly translate into doing that type of work.