Pterodactyl® is a free, open-source game server management panel
Dscover bugs in your code without running it!
An asynchronous event driven PHP socket framework
Arianne is an engine to develop multiplayer online games like Stendhal
Cerberus Content Management System
CoreUI Free Laravel Bootstrap Admin Template
C/C++ , PHP, PYTHON, 3D ENGINES, CHROME NATIVE CLIENT
Game engine allows you to create own MMORPG
Modular Gaming Open Source Persistent Browser Based Game Framework
The solution to all your problems
LEGADEE (LEarning GAme DEsign Environment)