The flexible game engine
Flax Engine, multi-platform 3D game engine
Solar2D Game Engine main repository (ex Corona SDK)
Zig game engine & graphics toolkit
Multi-platform 2D and 3D game engine
A game engine powered by python and panda3d
A pure Go game engine
Recreation of the classic Grand Theft Auto III game executable
A Flutter based game engine
Descent 3 by Outrage Entertainment
New Godot bindings for Swift
Multi Theft Auto is a game engine
3D Game engine with editor
An easy to use 2D HTML5 game engine written in TypeScript
The ioquake3 community effort to continue supporting/developing id's
Stride (formerly Xenko), a free and open-source cross-platform C# game
scene-oriented, flexible 3D engine (C++, Python, C#, Java)
Free game engine for development of desktop, mobile, and web games
Ct.js is a desktop game engine that makes learning programming fun
The Tiny JavaScript Game Engine That Can!
Injectable LUA scripting system, SDK generator, live property editor
KorGE Game Engine. Multiplatform Kotlin Game Engine & Korlibs
Svelto ECS C# Entity Component System
2D JavaScript Physics Engine
Open game and rendering engine packed into a JavaScript framework