A free/open source client and automation tool for Ragnarok Online
Arianne is an engine to develop multiplayer online games like Stendhal
Framework for producing web-based database applications
C/C++ , PHP, PYTHON, 3D ENGINES, CHROME NATIVE CLIENT
Top-down dungeon crawler
Develop an emulated Darkfall Online Server.
To create an open source and openly developed mmorpg
Browser game engine
Atlarius is no longer under development.