Cocos simplifies game creation and distribution with Cocos Creator
Multi-platform Engine for Desktop, XBOX (UWP) and Mobile games
Open source library for creative expression on the web, desktop, etc.
Cross-platform game engine in Rust
3D modeler, 3D game maker, 3D demo maker
GameServer is a sophisticated, game server designed for online games
ZED OS the clone of Windows XP
Children's learning programming language Karel the Robot in 3D
3D .NET engine for Windows, Linux, Mac