Cooperative multiplayer graphical RPG and adventure game
Arianne is an engine to develop multiplayer online games like Stendhal
Warlock is a front end for Simutronics text-based games.
JamochaMUD is a Java MUD/MUCK client.
A mapping tool for text-based games like text adventures, MUDs, etc.
New version of PTkEI2, the cross-platform GUI client for Wolfpack Empi
Map creator for the BattlleTech MUX
CoffeeMudForAI is plaform to design AI in
3d peer to peer chatroom where associated pairs of text gravitate
Free MMORPG Engine. Develop and host graphical browser-based games.