A free/open source client and automation tool for Ragnarok Online
Cooperative multiplayer graphical RPG and adventure game
Tools for Super Tux Kart server operators
javascript chess games viewer for websites, blogs and live broadcasts
Multiplayer Rogue-like combat game
Run Windows applications on any computer.
Perl bindings to the Modern OpenGL API
OpenKore is an automation tool for Ragnarok Online
Tactical, turn-based game engine, that uses OpenGL and WinAPI