A MUD client for Android, iOS, Linux, Mac OS X and Windows
Arianne is an engine to develop multiplayer online games like Stendhal
Cooperative multiplayer graphical RPG and adventure game
Utilities for CoffeeMUD operators on Linux
KildClient is a powerful MUD client with a built-in Perl interpreter
BattleTech MUX Client
Interface between TinTin++ and Lusternia by Iron Realms.
GGMud is a cross platform modern MUD client.
Moved to http://www.fuzzball.org
This project has move to GitHub (https://github.com/TinyMUSH/)
Azmyth Game Framework
Server software written in Python that implements the MUCK protocol.
Scriptable GTK based Python MUD Client