Open source library for creative expression on the web, desktop, etc.
Gideros Release version
Reactive extensions for Unity
Open-source, cross-platform, C++ game engine for creating 2D/3D games
Cross platform 2D/3D game engine written in C++11 & OpenGL ES 2/3
Cross platform Game Creation Software
3D Game engine
Hungry Hero is an open source Flash game built on Starling Framework.
Cross-platform 2D game engine