A free course management system (CMS) to create online learning sites
Encrypted UDP based FTP with multicast
Manage port forwardings via UPnP
The world's leading open source portal
REXX interpreter
Open source cross-platform Java Visual Traceroute
smart and open source document management system
RFC 3986 URI parsing and processing libary
Cross-platform multi-protocol VPN software
Linux firewall distribution geared towards home and SOHO users.
AWStats Log Analyzer
HTML5 editor, free and open-source website builder based on Silex
PHP class for PDF
Python Development Environment with all batteries included