Browse free open source MMORPG games and projects 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
Provides a full suite of clients and servers for virtual worlds.
Dark Age of Camelot server emulator
A multiplatform medieval 3D MMORPG
Free Online MMORPG with Battlegrounds
An open-source Phantasy Star Online server for *nix
World of Warcraft character converter, supporting multiple emulations
Realmcraft Download (on Engine001.com)
Develop an emulated Darkfall Online Server.
Frontend for Minecraft Server