You can make it - Open Source MMORPG Platform
Open Source MMORPG Framework
An open source implementation of the Ultima Online Classic Client
A companion for your LOTRO activities
Free Online MMORPG with Battlegrounds
A multiplatform medieval 3D MMORPG
Review your prime parse data using this desktop tool
2D Open Source MMORPG
Source of Mana is a unique 2D MMORPG
Gestionnaire WoW : bascule serveurs, sauvegarde, intuitif, FR/EN
An open-source Phantasy Star Online server for *nix
Auto Presser for Games
a wow model explorer
A suite of tools to make running a AzerothCore server on Linux easier
Arianne is an engine to develop multiplayer online games like Stendhal
Real time map point plotting from in game "/loc" to clipboard function
WoW MultiLauncher - Élégant & Moderne | Vanilla, TBC, WotLK
A Button replacement for Alt+Tab in EQ
Allow spaces in character names for Crossfire RPG Game