A fun realistic multiplayer free-and-open-source first-person-shooter!
GameServer is a sophisticated, game server designed for online games
LGSL (Live Game for PHP 5.4-8+: online status for various gameservers
oGame-like browser space realtime strategy game based on xNova
Updated client for Battletech MUX game servers
Pinewood Derby Race Management
web cms for clans and esport related pages
Minecraft private Skin Center
MultiVice - is a fully customizable multiplayer modification for Grand
A MMORPG Engine, written in PhP and SQL
A open-source online football manager like hattrick
LetsPlay is a bukkit plugin.
No lo se
Just one more MMORPG in a fantasy world.