Block undesired IPs for vsftp
Detect Flooder IPs, Reduce Attack Surface against HTTP Flood Attacks
Checker for recursively arbitrarily partitionable balloons
Block countries via iptables and gui menu with country flags.
thad0ctor's BT5 toolkit streamlines word list creation and other tasks
Password recovery tool for compressed archives and md5, sha-1/2 hashes
Training and educating about the web security
A simple script for distributed computing through PHP:
Software to balance a chemical equation (redox too)
Code to brute force the 32-bit key used to RC4 encrypt .pwl files.