Anti-Spam SMTP Proxy Server implements multiple spam filters
A network security analysis and monitoring toolkit Linux distribution.
Universal server
Mailing List Manager - Web-based, Self-Hosted, Feature-Rich
Erwin is an IRC-bot in Perl, using POE.
Accent interfaces and controls systems through goals and policies
Project moved to https://github.com/owfs/owfs/
WebDAV CGI brings your file service to the Web.
Cress is a comprehensive toolset for graphical service/workflow design
Open Source Anti-Spam and Anti-Virus Gateway
Various TCP/IP servers, clients and network management tools
Mobile P2P App - Use a P2P App on your Smartphone