Parlance is a completely open platform for playing the Diplomacy board game over a network, using the protocol developed by the DAIDE community. This Python-based system currently includes a configurable server, a few simple bots, and an observer.
The Merodach engine is an open source MMORPG engine, made to try to merge action/RPG games and MMORPG games. Client and server source code will be availible.
Modo is a cross-platform online game server and community tool similar in functionality to Valve's Steam platform. The Modo Client is being designed for ease of use and when released, will be free to use by anyone.
Networked training tool for Air Traffic Controllers
Crujisim is a tool to allow Air Traffic Controllers trainees to practice in a radar environment. Different users connect to a hosting server to act either as controllers for adjacent positions or pseudopilots.