A simple and easy-to-use library to enjoy videogames programming
Open source library for creative expression on the web, desktop, etc.
Orx: Data-Driven Game Engine
2D Game Engine
Cross-platform 2D and 3D game engine
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
3D .NET engine for Windows, Linux, Mac
c# lua bind with unity3d project for game development
Cross platform Game Creation Software
cross-platform 2d game engine
Cross-platform 2D game engine