Open Source Windows Multi-User Dungeons (MUD) Games

Crossfire is a free, open-source, cooperative multi-player RPG and adventure game. Since its initial release, Crossfire has grown to encompass over 150 monsters, 3000 areas to explore, an elaborate magic system, 14 races, 16 character classes, and many powerful artifacts scattered far and wide. Set in a fantastical medieval world, it blends the style of Gauntlet, NetHack, Moria, and Angband.

Arianne is a multiplayer online engine to develop turn based and real time games, providing a simple way of creating the game server rules and clients like our MORPG Stendhal. Our engine Marauroa uses Java and SQL for hosting hundreds of players on a solo host. Stendhal is a fun friendly and free multiplayer online adventure game with a huge and rich world. With hundreds of NPCs and different quests, features like the Travel log and achievement system keep track of progress. Thousands of creatures are ready to fight, above and below ground, and as players level up they can compare themselves on a detailed stats website. The engine Marauroa provides a simple way of creating games on a portable and robust server architecture. Marauroa manages the client server communication and provides an object orientated view of the world for game developers. It handles database access in a transparent way to store player accounts, character progress and the state of the world

MirageMUD is a source code base for developing your own stand-alone MUD client and server in Visual Basic 6. The code base comes with all the necessary basic functionality to immediately begin developing your MUD game right off the bat. A C# version of MirageMUD is currently in development: https://github.com/Xlithan/MirageMUD2

TinTin++ is a console mud client for any type of text mud or bbs. The mud client's main assets are an easy to learn scripting language, triggers, automapping, and a split screen interface to separate mud output from client input. Installation instructions for Android, iOS, and several other operating systems are available on the website. https://tintin.mudhalla.net

English: Cover AO is an FREE 2D MMORPG Open Source based of Argentum Online (https://sourceforge.net/projects/morgoao/) Inside this fantasy free world, set in a medieval era. You are in charge of writing your own story. Where you can build, train, trade, conquer and interact in real time with the rest of the players in the world. Important: Client and server are distributed under Affero GPL v1. - Spanish: Cover AO es un MMORPG 2D GRATUITO de código abierto basado en Argentum Online (https://sourceforge.net/projects/morgoao/) Dentro de este mundo libre de fantasía, situado en una época medieval. Tú eres el encargado de escribir tu propia historia. Donde podrás construir, entrenar, comerciar, conquistar e interactuar en tiempo real con el resto de los jugadores del mundo. Importante: El cliente y el servidor se distribuyen bajo Affero GPL v1.

This project has been moved to github.com. You can find the new project at: https://github.com/opentibia

Qodem is a a terminal emulator that resembles the BBS-era Qmodem. Includes phonebook, scrollback, capture, X/Y/Zmodem, Kermit, ANSI (+ music) / Avatar / VT102 / Linux emulation, Unicode, and keyboard macros. Connects over serial, ssh, telnet, rlogin.

Multiplatform 3D MMORPG Current version have a map of more than 1.000.000 m2, plus caves and hell sceneries, 17 NPCs, 26 kinds of monsters, 63 different items and 100 quests. Test server is up! Just download and run!

Alternative Lineage 2 Game Server written in Java.

Worldforge provides clients, servers, tools and protocol to allow for anyone to create and host their own virtual and online world.

Argentum Online is an Open Source FREE 2D MMORPG, it has: guilds, magic, combat, animal taming, 21 skills, a huge world with towns and dungeons. Several races and professions. Client and server are distributed under Affero GPL v1.

Sourceforge is discontinued, now on Github: https://github.com/Dawn-of-Light Framework for interacting with the Dark Age of Camelot client (Mythic, EA/Mythic, BioWare, Broadsword licensed). Also know as a Dark Age of Camelot ( DAoC ) Server Emulator. Give life to your own world ! Please consider playing live: http://www.darkageofcamelot.com

A tool for Spellcrafters and their customers playing Mythic Entertainment's MMPORG, Dark Age of Camelot

A modern open source MUD client with a graphical user inteface and full built in Lua scripting support for all major platforms.

Dungeon Digger is a 3D RTS game based on Dungeon Keeper.

Next generation MudMaster GUI. Win32 GUI MUD client with triggers, aliases, scripting, and DLL plugins for extra features such as displaying chat and other in game channels in a separate window. Now supports a multi-line, variable width status bar and multiple interacting windows. User customized script buttons in the status bar let you add mouse click functionality. Has web interactivity via the /showMeViaWeb command. Mudmaster 2k6 also can be run on Linux under WINE. Questions? Ask them in our Sourceforge Forums ( https://sourceforge.net/p/mm2k6/discussion/ ) More at http://mm2k6.sourceforge.net/mm2k6/

Trebuchet is a 100% TCL cross-platform GUI MUD client, designed to be powerful and extensible, yet easy to use. This client also has support for advanced features, such as SSL encryption, and allowing the server to request custom GUI dialogs.

An Open-Source map editor coded in C++ to be used with OpenTibia. Supports many advances features such as autobordering. Runs under both Linux and Windows using wxWidgets and OpenGL.

Pretender is a server emulator for Neocron, a massive multiplayer online role playing game by REAKKTOR.COM.

The goal of the project is to create a Java multi-user game server that can be easily extended and used for adding a multiplayer feature to games. User authentication, chat and interfaces for adding custom capabilities will be provided out of the box.

Third-Party tools, utilities and resources for use with Turbine's "Asheron's Call" MMORPG

Ryzom Core is a toolkit for the development of massively online universes. It provides the base technologies and a set of development methodologies for the development of both client and server code.

The Insane-Bot Client is a Decal plugin that simplifies the task of requesting item banes from an Insane-Bot buff bot in Asheron's Call

The Pueblo MUD/MUSH/MOO/etc client, originally developed by Chaco Communications. Updated, improved, and open source! The client provides access to "virtual worlds", supporting HTML, colour, forms, and images.

An Open Source Cipsoft's Tibia Client Replacement.