Combat Flight Simulator for LINUX. WW2. Network and VOIP. Open-source.
Free-to-play multiplayer version of the 8-bit classic M.U.L.E.
A fun realistic multiplayer free-and-open-source first-person-shooter!
0 A.D. is a free, open-source, cross-platform real-time strategy game.
A 2D multiplayer space shooter game
tour based strategic game
GameServer is a sophisticated, game server designed for online games
Tools for Super Tux Kart server operators
The world is no longer the same
Adds Discord Functionality to Lands.
LGSL (Live Game for PHP 5.4-8+: online status for various gameservers
Free and open source Avatar Webgame made by Vietnam
An unmodified version of the MMORPG Impressive Title by KovuLKD
Student Project - Mulitplayer vocabulary quiz
This lets you create worlds more easily and to recreate a world
Ur-Quan Masters High Definition
New version of PTkEI2, the cross-platform GUI client for Wolfpack Empi
Suite of utilities to make running a MekWars server on Linux easier
Free MMORPG