Godot is a powerful cross-platform game engine
Open source HTML5 game framework that offers WebGL and Canvas
Real Time Strategy game engine supporting early Westwood classics
ThinkPHP Framework
Open Source MMORPG Framework
Gideros Release version
Self-hosted CMS platform based on the Laravel PHP Framework
Arianne is an engine to develop multiplayer online games like Stendhal
Game engine supporting many 3D/2D formats and graphic effects
JavaScript framework to build game engines, games, emulators and apps
Old-school 2D game engine
Spring is a free RTS engine developed for Windows, Linux and Mac OS X.
The imaginary eight-bit machine
Asphyre is a cross-platform framework for Delphi and FreePascal.
SDL 2 headers for Free Pascal Compiler
Free strategy browsergame engine.
Create 2D mini-game easily with this lib
Educational framework for OpenGLES, OpenCL and OpenAL
a game library to develop audio games
Modular Gaming Open Source Persistent Browser Based Game Framework