mud-server topic

Dennis MUD - A multiplayer text adventure sandbox engine where the players build the world with in-game commands.

seisatsu

A SocketMUD-based Multi-User Dungeon built and managed by the members of The MUD Coders Guild.

mudcoders

An extendable, modular MUD server.

whutch

Python MUD Engine

gvanderest

SimpleMUD from MUD Game Programming book ported to NodeJS

lnguyenfx

A MUD server written in Java w/basic OLC and a channel-based chat system.

jnharton

A Node.js Multi-User Dungeon (MUD) Framework

om-mani-padme-hum

Xania MUD source

mattgodbolt

A c# mvc routing js client text world platform

SwiftAusterity

DikuMUD II from 1997

Seifert69