Ct.js is a desktop game engine that makes learning programming fun
You can make it - Open Source MMORPG Platform
Contains the code for CM-SS13
A fresh & lightweight javascript game engine
The Tiny JavaScript Game Engine That Can!
An elegant Go board and SGF editor for a more civilized age
NSV13, a Ship-to-ship Combat SS13 Server
99.95% station. 0.05% bees
Playing Go with web-based turn-based Go server
Web powered cross-platform 3D, WebXR game engine
Main repository with actual Space Station 13 sources
Massively multiplayer online game server and client framework
Multiplayer online game using Phaser + WebSocket (Socket.IO)
Edition of football teams on HTML canvas- javascript source
A comprehensive path-finding library for grid based games
Egret is a brand new open mobile game and application engine
An extensible development framework for roleplay games.