A game engine powered by python and panda3d
The Tiny JavaScript Game Engine That Can!
Solar2D Game Engine main repository (ex Corona SDK)
Voxel game-creation platform with easy modding and game creation
Xash3D FWGS engine
Free, open source game engine online
Open source clone of the Age of Empires II engine
Ct.js is a desktop game engine that makes learning programming fun
Magic Another Game Engine
Open-source engine for Heroes of Might and Magic III
Multi Theft Auto is a game engine
The flexible game engine
Descent 3 by Outrage Entertainment
Svelto ECS C# Entity Component System
A pure Go game engine
Open game and rendering engine packed into a JavaScript framework
Stride (formerly Xenko), a free and open-source cross-platform C# game
New Godot bindings for Swift
KorGE Game Engine. Multiplatform Kotlin Game Engine & Korlibs
An easy to use 2D HTML5 game engine written in TypeScript
Recreation of the classic Grand Theft Auto III game executable
The HTML5 Creation Engine
The ioquake3 community effort to continue supporting/developing id's
Flax Engine, multi-platform 3D game engine
A game framework written with osu! in mind.