Easily create custom key bind files for "City of Heroes: Homecoming"
Tools for Super Tux Kart server operators
A cross platform Lua based game engine
Planimeter Game Engine 2D - LÖVE-based game engine for Lua
sauerbraten with LuaJit2 scripting
An in-game world editor for civilization 5
Scriptable frontend for media applications.
Pear3DEngine is a modern and modular 3D development framework
AG Content Pack
A complete 2D Game Engine with built in drag and drop editor
Kart racing game featuring characters from My Little Pony.
Make games with Lego-like building blocks