The OWASP ZAP core project
Graphical message and file encryption tool
Best IDE for Beginners
Owasp Zap Live CD
Find web application vulnerabilities the easy way!
Old School gaming tool for GMs of AD&D/OSRIC.
Encrypt and decrypt text using AES 256 bit encryption
Fully featured network, wireless and web app pentesting suite.
DOS Attack Tool
Network security simulator
Simulation of historical and contemporary launch vehicles