Anti-Spam SMTP Proxy Server implements multiple spam filters
HTTP proxy to block ads and customize webpages
Network Load Balancer and Application Security
Log analyser for Squid access.log
Universal server
SKUDONET Open Source Load Balancer
Suffit API user agent library
Reverse proxy with http header, html and javascript code rewritter
Zentyal is a Linux Small Business Server
Various TCP/IP servers, clients and network management tools
A terminal-program for downloading torrents from PirateBay
Mobile P2P App - Use a P2P App on your Smartphone
Multithreaded Proxy Enumeration Utility
A decent SQL dorker
Firewall/Proxy FreeBSD
Perl Hacking Tools (BackTrack)