Browse free open source MMORPG games and projects for Mac below. Use the toggles on the left to filter open source MMORPG games by OS, license, language, programming language, and project status.
A companion for your LOTRO activities
Arianne is an engine to develop multiplayer online games like Stendhal
OpenKore is an automation tool for Ragnarok Online
Open Source MMORPG Framework
Collection of Tools for Perfect World MMORPG
Blender port of Ryzom art data
The original Xivio.com World Server Core
Provides a full suite of clients and servers for virtual worlds.
An open-source Phantasy Star Online server for *nix
Mu Online Launcher
Game engine allows you to create own MMORPG
Runescape 2007 / oldschool client with many features.
Source of Mana is a unique 2D MMORPG
Collection of Tools for Blade & Soul MMORPG