ASP or PHP Captcha, completly configurable, with prevalidation
Elemata is an open source content management system.
Perl Hacking Tools (BackTrack)
Full featured script to visualize statistics from a honeyd honeypot.
Memebrship management solution for selling access and products
Detect file changes on remote web sites
Detect Flooder IPs, Reduce Attack Surface against HTTP Flood Attacks
Web based message encryption software
Whitelist manager
Simple Bash password manager using GPG and SQLite
Php User Login System Exentended
A simple script for distributed computing through PHP:
Open-source protection based on PHP for your projects