Free, cross-platform 2D game engine powered by Haxe and OpenFL
3D game engine/framework in C, with Luajit and Python bindings now
Open source library for creative expression on the web, desktop, etc.
A completely free, open-source, 2D game engine
3D and 2D game engine written in Rust
Game engine supporting many 3D/2D formats and graphic effects
JavaScript-based game engine designed to empower developers
Javascript library for making tile based games
Turbulenz is a modular 3D and 2D game framework
Educational framework for OpenGLES, OpenCL and OpenAL