Open source. Open possibilities.

Open-source Go MUD server with a playable default world, web admin/client, module manager, ANSI colors, layered config, HTTPS setup, Docker, and install scripts.

jiMUD is an Electron-based MUD client for ShadowMUD, built from the game's web client. It offers tabs and windows, profiles, speedpaths, scripting, a mapper, character management, immortal tools and an area-design code editor.

A from-scratch Diku-like MUD written in Go, containerized with Docker and using SQLite for persistence; exposes TCP port 4000 by default.

Modern Multi-User Dungeon server in TypeScript with Telnet, WebSocket, React drag-and-drop world builder, MCP server, and JSON/SQLite/PostgreSQL storage.

MegaMOO is a Python 3 MOO-style text world engine with zero third-party dependencies, live in-world Python verbs, SQLite persistence, Telnet/WebSocket serving, LambdaMOO DB import, and MCP AI tooling.

Cross-platform open-source MUD client with Lua scripting, triggers, mapping, GMCP, Discord integration, and theming.

Batteries-included C++ engine for single-player text adventures and multiplayer MUDs, with Lua/C++ extension bindings, optional TCP game server, Redis Pub/Sub output, and experimental Inform 7 parsing.

Open-source resurrection of Legends of Future Past, a 1992 commercial text-based MUD, rebuilt from authentic game scripts and documentation using agentic AI; MIT-licensed with a playable server and self-hosting instructions.