The flexible game engine
Flax Engine, multi-platform 3D game engine
Solar2D Game Engine main repository (ex Corona SDK)
Multi-platform 2D and 3D game engine
Zig game engine & graphics toolkit
A game engine powered by python and panda3d
UCI chess engine
Command & Conquer: Remastered Collection
Descent 3 by Outrage Entertainment
Multi Theft Auto is a game engine
Plugin for IntelliJ IDEA that gives special support for Minecraft mods
A pure Go game engine
Write your game with TypeScript in UE or Unity
Recreation of the classic Grand Theft Auto III game executable
scene-oriented, flexible 3D engine (C++, Python, C#, Java)
Repository for the Goonstation branch of SS13
The ioquake3 community effort to continue supporting/developing id's
A Flutter based game engine
New Godot bindings for Swift
3D Game engine with editor
An easy to use 2D HTML5 game engine written in TypeScript
KorGE Game Engine. Multiplatform Kotlin Game Engine & Korlibs
The Tiny JavaScript Game Engine That Can!
Stride (formerly Xenko), a free and open-source cross-platform C# game
lua dev plugin for unreal engine 4 or 5