Arianne is an engine to develop multiplayer online games like Stendhal
A 2D multiplayer space shooter game
Cross-platform real-time strategy game (3D)
LGSL (Live Game for PHP 5.4-8+: online status for various gameservers
Online War system for IL-2 Sturmovik and Iron Front in ArmA 2
Free and open source Avatar Webgame made by Vietnam
A space shooter game. Run either race or mission, defeat evil enemies.
The world is no longer the same
tour based strategic game
An online multiplayer real time strategy game
The first-ever RPG for WordPress
A fun realistic multiplayer free-and-open-source first-person-shooter!
oGame-like browser space realtime strategy game based on xNova
C/C++ , PHP, PYTHON, 3D ENGINES, CHROME NATIVE CLIENT
PHP/MySQL/JS free multiplayer browser-based online game about tanks
stro is an open-source cross-platform MMORPG server.
online 4X browser game engine
Records saving global Database for Trackmania Forever
a PHP based leaderboard software for Battlefield 4
MOVED OUT OF SOURCEFORGE - Server software for Minecraft PE