Desktop/Android/HTML5/iOS Java game development framework
Orx: Data-Driven Game Engine
Spring is a free RTS engine developed for Windows, Linux and Mac OS X.
2D Game Engine
A cross platform Lua based game engine
Cross-platform 2D and 3D game engine
Portable game engine with main focus on point-and-click adventures
Build Cross-platform Applications
C/C++ , PHP, PYTHON, 3D ENGINES, CHROME NATIVE CLIENT
Open-source, cross-platform, C++ game engine for creating 2D/3D games
Open Game Bootstrap
computer simulation for my raspberry pi
Cross platform 2D/3D game engine written in C++11 & OpenGL ES 2/3
Cross platform Game Creation Software
Multi-threaded 2D Renderer licensed under the Mozilla Public License
A mobile tower 3D tower defense/defend the flag game
cross-platform 2d game engine
easy programming language for 2d games
Cross-platform 2D game engine
Delphi-like IDE for cross-platform game development