Animation Compression Library
scene-oriented, flexible 3D engine (C++, Python, C#, Java)
A simple math library for games and computer graphics
A cross-platform, open-source, pure C game engine for mobile game
Javascript library for making tile based games
A simple tool to allow Chessmaster 10/11 bot customizations
A hand-crafted 2D game library in Go
A 2D game engine and level editor
Portable game engine with main focus on point-and-click adventures
Gorgon Game Engine (GGE) is a C++ game engine that handles many tasks.
3D Game engine
TR Game Engine allows you to develop your game quickly and easily.
2D Game Engine, based on OpenGL and focused on Isometric Games
Simple and scalable 3d javascript game engine
small cross platform 3d game engine