mud-server topic
dragon-mud
A text-based game engine written in Go and scripted with Lua.
DikuMUD3
DikuMUD III using HTML and websockets.
ArchaicQuest-II
ArchaicQuest II :dragon: is a multiplayer text based RPG known as a Multi User Dungeon (MUD) that is playable from your browser.
DikuMUD
Original Alfa release
dumserver
A modern MU* engine re-imagined, actively developed and properly tracked.
AwakeMUD
The Community Edition fork of the 'Awakened Worlds' Shadowrun 3 MUD codebase.
pinwheel
Highly opinionated fork of the Ranvier MUD engine
crucible-mud
A massively multiplayer text game.
toaststunt
A network accessible, multi-user, programmable, interactive system for the creation of LambdaMOO style MOOs / MUDs.