Open game and rendering engine packed into a JavaScript framework
Multi-platform Engine for Desktop, XBOX (UWP) and Mobile games
Free game engine for development of desktop, mobile, and web games
Open source library for creative expression on the web, desktop, etc.
Free, cross-platform 2D game engine powered by Haxe and OpenFL
3D game engine/framework in C, with Luajit and Python bindings now
A 2D rigid body physics engine for the web
Fast and lightweight JavaScript game engine built on WebGL and glTF
The game engine for everyone
A retro game engine for Python
JavaScript-based game engine designed to empower developers
A completely free, open-source, 2D game engine
KorGE Game Engine. Multiplatform Kotlin Game Engine & Korlibs
Python MUD/MUX/MUSH/MU* development system
Cross-platform game engine in Rust
Full featured MUD server with all the trimmings.
Game engine supporting many 3D/2D formats and graphic effects
The multiplayer game engine
2D Game Engine
A cross-platform 2D game engine
Web powered cross-platform 3D, WebXR game engine
Game engine allows you to create own MMORPG
Educational framework for OpenGLES, OpenCL and OpenAL
3D Game engine