Arianne is an engine to develop multiplayer online games like Stendhal
Cooperative multiplayer graphical RPG and adventure game
MUD server, based on CircleMUD code, russificated
Crossfire RPG Game Weather Patch -- Now a branch on the official repo!
A mapping tool for text-based games like text adventures, MUDs, etc.
New version of PTkEI2, the cross-platform GUI client for Wolfpack Empi
Provides a full suite of clients and servers for virtual worlds.
Mud Server in Python Language playable via web browser
LAIR is a Sandbox Dungeon Crawling Game
Server software written in Python that implements the MUCK protocol.
Scriptable GTK based Python MUD Client
A free Python 3 text-based MUD game server