Ct.js is a desktop game engine that makes learning programming fun
The Tiny JavaScript Game Engine That Can!
Frankenstein lived
Free, open source game engine online
Web powered cross-platform 3D, WebXR game engine
Massively multiplayer online game server and client framework
Android, DOS, FirefoxOS, Linux, MacOS and Windows all in one..
Built to be ease of use, with no programming knowledge, Multi-platform
Free open source game created in Unity 3d for Windows 64 bits
An extensible development framework for roleplay games.