Ct.js is a desktop game engine that makes learning programming fun
Flexible level editor
GPS track editor for editing tracks and planning (multiple) day tours
SDL based generic 2D game engine
2D Game Engine
The imaginary eight-bit machine
A traditional top-down OpenGL car racing game
A roguelike game engine/editor
A 2D tile map editor created using .NET framework.
Free position 2D maps for computer games.