Open source HTML5 game framework that offers WebGL and Canvas
Multi-platform Engine for Desktop, XBOX (UWP) and Mobile games
An open source reimplementation of the Among Us Server
Desktop/Android/HTML5/iOS Java game development framework
Open source library for creative expression on the web, desktop, etc.
The game engine for everyone
JavaScript framework to build game engines, games, emulators and apps
Platform independent browser based Str8ts solver
Platform independent browser based Sudoku solver
ZED OS the clone of Windows XP
2D Game Engine
Children's learning programming language Karel the Robot in 3D
The Atomic Game Engine is a multi-platform 2D and 3D engine
Egret is a brand new open mobile game and application engine
A cross-platform OpenGL based lightweight scenegraph library