You can make it - Open Source MMORPG Platform
TGMC: TerraGov Marine Corps, a SS13 mod
Serverless WebRTC matchmaking for painless P2P
PoC Minecraft client written in Javascript
Contains the code for CM-SS13
An in-browser implementation of JanusVR
LGSL (Live Game for PHP 5.4-8+: online status for various gameservers
NSV13, a Ship-to-ship Combat SS13 Server
An online multiplayer real time strategy game
A WebSocket library optimized for multiplayer JS games
A synchronisation component for p5.js
Cosmos Tycoon is a open source transport simulation browser game.
Massively multiplayer online game server and client framework
JAVA websocket implementation for a bomberman-like game
web cms for clans and esport related pages
The original Xivio.com World Server Core
Minecraft private Skin Center
Unique web based space strategy game written by Andras Nemeth
Multiplayer chat rooms built with Express + Socket.IO
minecraft, server, statistik, bukkit, gigacraft
Free MMORPG Engine. Develop and host graphical browser-based games.