The flexible game engine
Solar2D Game Engine main repository (ex Corona SDK)
A complete 3-D game development suite written in Java
A game engine powered by python and panda3d
Multi Theft Auto is a game engine
An easy to use 2D HTML5 game engine written in TypeScript
utility collection for 2D game development in Java; sound-player
Ct.js is a desktop game engine that makes learning programming fun
Stride (formerly Xenko), a free and open-source cross-platform C# game
New Godot bindings for Swift
A Flutter based game engine
Free game engine for development of desktop, mobile, and web games
Free, cross-platform 2D game engine powered by Haxe and OpenFL
Magic Another Game Engine
Recreation of the classic Grand Theft Auto III game executable
dhewm 3 main repository
A pure Go game engine
KorGE Game Engine. Multiplatform Kotlin Game Engine & Korlibs
Svelto ECS C# Entity Component System
A game framework written with osu! in mind.
Descent 3 by Outrage Entertainment
3D Game engine with editor
The Open Toolkit library is a fast, low-level C# wrapper for OpenGL
Multi-platform 2D and 3D game engine
scene-oriented, flexible 3D engine (C++, Python, C#, Java)