Desktop/Android/HTML5/iOS Java game development framework
One framework for creating powerful cross-platform games
Open source HTML5 game framework that offers WebGL and Canvas
A simple and easy-to-use library to enjoy videogames programming
Netcode that provides networking capabilities to GameObject workflows
Multi-platform 2D and 3D game engine
Free, cross-platform 2D game engine powered by Haxe and OpenFL
scene-oriented, flexible 3D engine (C++, Python, C#, Java)
Open source library for creative expression on the web, desktop, etc.
Old style soccer game with many exciting features
Cinema Enters Game Console
Build Cross-platform Applications
Asphyre is a cross-platform framework for Delphi and FreePascal.
Open-source, cross-platform, C++ game engine for creating 2D/3D games
Modern AS3 Game Engine
3D .NET engine for Windows, Linux, Mac
Hungry Hero is an open source Flash game built on Starling Framework.
PixelLight is a cross-platform application framework
An open multi-platform turn-based strategy game framework