Open Source Java Role-Playing Games (RPG)

Welcome to GoMule! This is a muling application for the computer game "Diablo 2" which allows items to be stored and transferred between Single Player characters outside of the game.

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

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.

PCGen is a free open source RPG character generator (d20 systems). All datafiles are ASCII so they can be modified by users for their own campaigns. Please join us at http://groups.yahoo.com/group/pcgen/. Support email: help@pcgen.org

Ares stands for Aural RPG Experience System. It is used to create and play music lists, background sounds or special sound effects for different situations during (pen & paper) role-playing.

Alternative Lineage 2 Game Server written in Java.

An adaptation of the Fabled Lands gamebook series: travel through a fantastic world, amassing skill, wealth, and fame, while avoiding sudden death. Presents the complete text to preserve the spirit of the original.

2D isometric MMORPG using the SDL framework. Daimonin offers a free public server at https://www.daimonin.org . A Unity client is also in active development.

Crystal Space is an Open Source 3D SDK for Unix, Windows, and MacOS/X. It renders with OpenGL and features GLSL shaders, CG shaders, deferred rendering, dynamic shadows, bullet based physics library, terrain engine, skeleton based animation meshes, exporter for Blender, portals, etc...

PC and NPC character generator for Rolemaster RMFRP roleplaying system (from Iron Crown Enterprises). The program calculates all bonus and generates a nice PDF character sheet that contains additionally pages. The programm does not provide during-game support.

The Earthdawn Character Editor is a java-based utility to create and manage character for the role-playing game Earthdawn Third Edition and for the role-playing game Earthdawn Forth Edition. It is intend to be very flexible, so almost the full behaviour can be configured through xml-based config-files. Multi language support is possible.

We have moved. Please visit us at our new website http://anathema.github.com where you will find downloads and ways to get in touch. See you there! Anathema is an exhaustive suite for all aspects of Exalted series management, featuring character and campaign management, media library, script notes and more. Supports both First and Second Edition. Exalted is (c) by White Wolf Publishing

Tyrant is a graphical roguelike fantasy adventure game. It features intricate randomly generated landscapes, towns and dungeons. It is written in Java with a highly extensible game engine.

A consortium of developers and players to produce Open Source tools to enhance the experience of the groundbreaking Bioware game, Neverwinter Nights, including particularly module creation tools for linux and Mac OS X.

The Magellan Client is basically a GUI for the PBEM (play by email) game Eressea, but can be used for other "Atlantis" based games, too. -- Magellan ist die am weitesten entwickelte graphische Oberfläche für Eressea, das Email-Fantasy-/Strategiespiel -- For further informations please have a look at our repositories unter https://github.com/magellan2

Hale is a turn based RPG with deep tactical combat and character customization. Included is a lengthy and varied campaign with many quests, items and monsters, visiting a variety of locales. The entire system is built to be moddable from the ground up.

This is a Character Creator for the Classic Marvel Super Heroes game written in Java.

A Java Utility to edit and create new game content for Might and Magic 8 with support for 6 and 7. This is an extension of the no-longer-developed UnLod java utility for MM8. MM8LevelEditor is no longer actively developed. A new MMLevelEditor is being re

An attempt to collect (read rewrite) a set of tools for Ultima Online game playing. Many tools are closed source or discontinued: no way to enhance them with no sources. Here there will be such tools and sources.

Monster Generator creates D&D monsters of CR 1-50 for use with the Pathfinder ruleset. The monsters can be individually customized and simply use the program to calculate stats and save time, or a completely or partially random monster can be generated with the press of a button. Saves any DM who loves surprising their players a massive amount of time by creating appropriately balanced, unique monsters in minutes. Note: Monster Generator 2 has been released. You can access it online from any device here: https://monstergenerator.javissoft.com/ See this thread for more details: https://sourceforge.net/p/monstergenerato/discussion/general/thread/54cfb8cd46/

Shoddy Battle (later known as Pokémon Lab) is a Pokémon simulator created by Cathy and bearzly and first released in July 2007. It allows users to play Pokémon matches against other people online. Shoddy Battle was highly influential on the game of competitive Pokémon because it was free and open source, scalable (700,000 battles per month during its peak), user customisable and extensible, and it provided unprecedented statistical data on player skill and Pokémon usage trends. Visit the web site for more information.

L2Net is .net Alternative Lineage 2 Server and Client.

The Open Gaming System (OGS) is a platform for developing open gaming software. It defines an application programming interface (API) and provides a free software implementation of this interface.

Wograld is a 2d skill based MMORPG designed from the ground up to be focused on pvp and roleplay. It is everything Ultima Online should have been.

A MMORPG clone of the Uplink game. Features a realistic PC simulation, real programming and hacking.