Access GameLift resources and integrate GameLift into your Unity game
Dedicated Game Server Hosting and Scaling for Multiplayer Games
A lightweight online game framework
Arianne is an engine to develop multiplayer online games like Stendhal
Lucifer: The Ultimate Dev-Ecosystem
LSJ-Server-Terra (Java Multipurpose Sever connected with MariaDB)
GameServer is a sophisticated, game server designed for online games
An open-source release of previously closed-source Farweb
Massively multiplayer online game server and client framework
An easy to use and powerful game control panel