Python MUD/MUX/MUSH/MU* development system
Cross-platform, open source, and super fast MUD client with scripting
A MUD client for Android, iOS, Linux, Mac OS X and Windows
KildClient is a powerful MUD client with a built-in Perl interpreter
Sip: A MUD Client!
Full featured MUD server with all the trimmings.
A multiplatform medieval 3D MMORPG
Cooperative multiplayer graphical RPG and adventure game
Utilities for CoffeeMUD operators on Linux
Level tracking patch for Crossfire RPG Game
Extra image set for Crossfire RPG Game
Arianne is an engine to develop multiplayer online games like Stendhal
Visual Basic 6 2D online adventure game engine
Use GitHub teams to manage system user accounts and authorized_keys
MUD server, based on CircleMUD code, russificated
A modern MUD (Multi-User Dungeon) client
BattleTech MUX Client