OpenDDS is open source publish/subscribe middleware
Pinger alert, STATICTICAL TABLES, send EMAILs or SMS by SMS GATEWAY
Open Source Social Network Kit written in PHP
An unofficial web console to administer Apache James 3 server
A simple yet powerful open source VPN solution
Various TCP/IP servers, clients and network management tools
HPe-rc is a command-line utility for the Uniden HomePatrol-1 scanner.