Open 3D Engine (O3DE) is an Apache 2.0-licensed multi-platform 3D engine that enables developers and content creators to build AAA games, cinema-quality 3D worlds, and high-fidelity simulations without any fees or commercial obligations.


GemRB is described as '(Game Engine Made with preRendered Background) is a portable open-source reimplementation of the Infinity Engine that underpinned Baldur's Gate, Icewind Dale and Planescape: Torment. It sports a cleaner design, greater extensibility and several innovations' and is an app. There are more than 50 alternatives to GemRB for a variety of platforms, including Windows, Linux, Mac, Web-based and Android apps. The best GemRB alternative is Godot Engine, which is both free and Open Source. Other great apps like GemRB are Unity, Unreal Engine, GDevelop and Wick Editor.
Open 3D Engine (O3DE) is an Apache 2.0-licensed multi-platform 3D engine that enables developers and content creators to build AAA games, cinema-quality 3D worlds, and high-fidelity simulations without any fees or commercial obligations.


PICO-8 is a Lua based fantasy console for programming, sharing and playing tiny games and other computer programs. The app boots to a shell prompt with easy access to scores of game building tools.




cocos2d-x is a cross platform open source free 2D game engine for mobile gamedev, that is fast and stable, easy to learn and use.




Simple DirectMedia Layer is a cross-platform multimedia library designed to provide low level access to audio, keyboard, mouse, joystick, 3D hardware via OpenGL, and 2D video framebuffer. It is used by MPEG playback software, emulators, and many popular games, including the...
Torque 3D is a easy-to-use game creation platform. Architected from the ground up for maximum flexibility and performance across a wide range of hardware and built upon the Frontline award-winning Torque Game Engine Advanced, Torque 3D comes equipped with a full suite of tools...

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.


Superpowers is an HTML5 development environment for making 2D and 3D games. It can be extended with plugins and lets you collaborate in real-time.





3D game engine that uses web technologies. Perfect for those who already know TypeScript and want to collaborate with designers and artists to create 3D experiences.








PlayCanvas is the world’s easiest to use WebGL Game Engine. It’s free, it’s open source and it’s backed by amazing developer tools.




ENIGMA, the Extensible Non-Interpreted Game Maker Augmentation, is an open source cross-platform game development environment derived from that of the popular software GameMaker Legacy.



