Frameworks for building games across multiple platforms.
Godot Engine – Multi-platform 2D and 3D game engine
Turbulenz is a modular 3D and 2D game framework for making HTML5 powered games for browsers, desktops and mobile devices.
MIT Licensed Open Source version of Torque 3D from GarageGames
MIT Licensed Open Source version of Torque 2D game engine from GarageGames
A powerful free cross-platform RTS game engine
Cocos2d-x is a suite of open-source, cross-platform, game-development tools used by millions of developers all over the world.
The Cross Platform Game Engine
Open-source, cross-platform, C++ game engine for creating 2D/3D games.
A complete 3D game development suite written purely in Java.
Free (as in freedom) open source clone of the Age of Empires II engine 🚀
One framework for creating powerful cross-platform games.
Desktop/Android/HTML5/iOS Java game development framework
🐙 Superpowers — Extensible HTML5 app for real-time collaborative projects
🎮 GDevelop is an open-source, cross-platform game engine designed to be used by everyone.
CRYENGINE is a powerful real-time game development platform created by Crytek.
Cross-platform 2D and 3D game engine.
Real-Time Strategy game 3D engine coded in pure java
Phaser is a fun, free and fast 2D game framework for making HTML5 games for desktop and mobile web browsers, supporting Canvas and WebGL rendering.