Python MUD/MUX/MUSH/MU* development system
Cross-platform, open source, and super fast MUD client with scripting
MUD server, based on CircleMUD code, russificated
A MUD client for Android, iOS, Linux, Mac OS X and Windows
KildClient is a powerful MUD client with a built-in Perl interpreter
Cooperative multiplayer graphical RPG and adventure game
A multiplatform medieval 3D MMORPG
Utilities for CoffeeMUD operators on Linux
Full featured MUD server with all the trimmings.
Visual Basic 6 2D online adventure game engine
Extra image set for Crossfire RPG Game
Level tracking patch for Crossfire RPG Game
Arianne is an engine to develop multiplayer online games like Stendhal
BattleTech MUX Client
Dynamic IP retrieval to report to Crossfire Metaserver
Warlock is a front end for Simutronics text-based games.
VB6 stand-alone MUD client and server.
Crossfire RPG Game Weather Patch -- Now a branch on the official repo!