Self-hosted game stream host for Moonlight
PufferPanel is an open source game server management panel
A lightweight game server framework implemented with Actor Model
Distributed server for social and realtime games and apps
Arianne is an engine to develop multiplayer online games like Stendhal
LGSL (Live Game for PHP 5.4-8+: online status for various gameservers
A fast, scalable, distributed game server engine/framework for C++
Free MMORPG
Massive Multiplayer Online Wargame Leveraging the Internet
Massively multiplayer online game server and client framework
Web based Game server control panel
An easy to use and powerful game control panel
Nexuiz-Xonotic Client
Create your own online real-time browser-based MMO in your website
A free Python 3 text-based MUD game server