Mangos ZERO is a server for World of Warcraft
A fancy self-hosted monitoring tool
Distributed server for social and realtime games and apps
PufferPanel is an open source game server management panel
Access GameLift resources and integrate GameLift into your Unity game
The command-line tool for quick, simple deployment and management
A lightweight game server framework implemented with Actor Model
Azuriom is a complete open-source web solution for game servers
Dedicated Game Server Hosting and Scaling for Multiplayer Games
A lightweight online game framework
LGSL (Live Game for PHP 5.4-8+: online status for various gameservers
Arianne is an engine to develop multiplayer online games like Stendhal
Linux game server utility.
A fast, scalable, distributed game server engine/framework for C++
Free MMORPG
Script to start up Nexuiz Linux server at boot time and if it crashes
Game server browser
A mobile game distributed server implemented using netty4.X
Play old LAN games across the world!
A game server framework in Go (golang)
Massive Multiplayer Online Wargame Leveraging the Internet
starrydb is game server engine
Massively multiplayer online game server and client framework