Source of Mana is a unique 2D MMORPG
Open Source MMORPG Framework
An open-source Phantasy Star Online server for *nix
Arianne is an engine to develop multiplayer online games like Stendhal
GameServer is a sophisticated, game server designed for online games
A suite of tools to make running a AzerothCore server on Linux easier
Gestionnaire WoW : bascule serveurs, sauvegarde, intuitif, FR/EN
A multiplatform medieval 3D MMORPG
Makes running a PSO server on Linux easier
Free MMORPG
An OpenGL client-server game
GameWhizzards is a user created, Open Source 3D MMORPG
Collection of Tools for Perfect World MMORPG
Dark Age of Camelot server emulator
World of Warcraft character converter, supporting multiple emulations
Massively multiplayer online game server and client framework
Anarchy Online Emulator
Game engine allows you to create own MMORPG
JavaScript library to generate GW2 ToolTips based on official Wiki
Blender port of Ryzom art data
Runes Of Magic