Arianne is an engine to develop multiplayer online games like Stendhal
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
A 2D multiplayer space shooter game
The world is no longer the same
Free and open source Avatar Webgame made by Vietnam
tour based strategic game
A space shooter game. Run either race or mission, defeat evil enemies.
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
stro is an open-source cross-platform MMORPG server.
PHP/MySQL/JS free multiplayer browser-based online game about tanks
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