Arianne is an engine to develop multiplayer online games like Stendhal
GameServer is a sophisticated, game server designed for online games
Proyecto basado en L2jFrozen 1132
An OpenGL client-server game
Python classes to work with Blizzards API
online 4X browser game engine
Alpha One is based on Vallheru
Massively multiplayer online game server and client framework
Runes Of Magic
Source V16 Genesis
Yet Another PHP EVE API Library.
Eve Online Corp Database
PHP WOW Battle.net Armory Raider
Open Source Virtual World and MMOG Development Platform
Modular Minecraft server plugin - commands, events, ...
Python Killboard Platform for EVE Online
Site Woo & Wotlk
Character Database Script for Websites