Pterodactyl® is a free, open-source game server management panel
An asynchronous event driven PHP socket framework
the java game and entertainment runtime
Extremely fast enterprise server framework, can be used in RPC
Arianne is an engine to develop multiplayer online games like Stendhal
JavaScript framework to build game engines, games, emulators and apps
Laravel package to create beautiful common views like data tables
Modular Gaming Open Source Persistent Browser Based Game Framework
An IRC bot project case study.