A MUD client for Android, iOS, Linux, Mac OS X and Windows
Cooperative multiplayer graphical RPG and adventure game
Arianne is an engine to develop multiplayer online games like Stendhal
A multiplatform medieval 3D MMORPG
Utilities for CoffeeMUD operators on Linux
KildClient is a powerful MUD client with a built-in Perl interpreter
BattleTech MUX Client
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.
Map creator for the BattlleTech MUX
Online Flight Simulation Network Client for X-Plane
GGMud is a cross platform modern MUD client.
Moved to http://www.fuzzball.org
This project has move to GitHub (https://github.com/TinyMUSH/)
PHP WOW Battle.net Armory Raider
Free MMORPG Engine. Develop and host graphical browser-based games.