Desktop/Android/HTML5/iOS Java game development framework
One framework for creating powerful cross-platform games
An iOS & tvOS Frontend for Multiple Emulators
Everything you need to build and deploy scalable realtime 3D apps
The open-asset-importer-library repository
Open source Cardboard SDK and samples
scene-oriented, flexible 3D engine (C++, Python, C#, Java)
GemRB is a portable open-source implementation of the Infinity Engine
Cerberus Content Management System
3D modeler, 3D game maker, 3D demo maker
Cross platform SDK
Cinema Enters Game Console
ZED OS the clone of Windows XP
Cross-platform 2D and 3D game engine
Character animation system for games and simulations.
3D .NET engine for Windows, Linux, Mac
Cross platform 2D/3D game engine written in C++11 & OpenGL ES 2/3
Egret is a brand new open mobile game and application engine
A cross-platform OpenGL based lightweight scenegraph library
The Objective-C Interactive Simulation Abstraction Layer