Kippo is a medium interaction SSH honeypot designed to log brute force attacks and, most importantly, the entire shell interaction performed by the attacker.
qwebirc is a fast, easy-to-use, Web-based IRC client. It supports SSL, tab completion, UTF-8, control codes (for colors, bold, and other text attributes), clickable channels and nicks, notifications, and many more features.
A PHP class for generating PDF documents.
A peer-to-peer network-based digital currency.