Open Source MMORPG Framework
Arianne is an engine to develop multiplayer online games like Stendhal
A suite of tools to make running a AzerothCore server on Linux easier
An open-source Phantasy Star Online server for *nix
Source of Mana is a unique 2D MMORPG
A multiplatform medieval 3D MMORPG
GameServer is a sophisticated, game server designed for online games
Makes running a PSO server on Linux easier
Free MMORPG
An OpenGL client-server game
Find the best oldschool server with the lowest ping [OSRS Live Ping]
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
starrydb is game server engine
Massively multiplayer online game server and client framework
Python classes to work with Blizzards API
Anarchy Online Emulator
Immersive and expansive hardcore old-school 2D ORPG (MMORPG)
Blender port of Ryzom art data