"We know that the code doesn't obey the system..."

AnonTwi: Tool for OAuth2 applications (such as: GNUSocial, Twitter) that provides different layers of privacy/encryption.
Bordercheck: Tool to visualize 'real-time' on a world map the geolocation of data when surfing the web.
CIntruder: Tool to bypass captchas using OCR (Optical Character Recognition) bruteforcing methods.
Collatz: Tool to simulate the Collatz's conjeture.
ECOin: Decentralized key/value registration and transfer system based on Bitcoin technology (a cryptocurrency).
Goldbach: Tool to simulate the Goldbach's conjeture.
Lorea: Social networking autonomous project to build a distributed, encrypted and federated network.
Orb: Tool for massive footprinting.
PyDog4Apache: Tool to sneak logs from Apache web server.
UFONet: Tool to launch DDoS attacks using 'Open Redirect' vectors like botnet.
XSSer: Automatic -framework- to detect, exploit and report XSS vulnerabilities.