You can make it - Open Source MMORPG Platform
TGMC: TerraGov Marine Corps, a SS13 mod
Contains the code for CM-SS13
PoC Minecraft client written in Javascript
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 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
The original Xivio.com World Server Core
web cms for clans and esport related pages
Minecraft private Skin Center
Unique web based space strategy game written by Andras Nemeth
minecraft, server, statistik, bukkit, gigacraft
Free MMORPG Engine. Develop and host graphical browser-based games.
A fast-paced online space shooter in JavaScript