Multi Theft Auto is a game engine
Magic Another Game Engine
Real Time Strategy game engine supporting early Westwood classics
fheroes2 is a recreation of Heroes of Might and Magic II game engine
The Open Toolkit library is a fast, low-level C# wrapper for OpenGL
Fast and lightweight JavaScript game engine built on WebGL and glTF
Solar2D Game Engine main repository (ex Corona SDK)
dhewm 3 main repository
A Flutter based game engine
Open Source real-time strategy game engine for early Westwood games
scene-oriented, flexible 3D engine (C++, Python, C#, Java)
A game framework written with osu! in mind.
3D game engine/framework in C, with Luajit and Python bindings now
A multi core friendly rigid body physics and collision detection lib
Open 3D Engine (O3DE) is an Apache 2.0-licensed multi-platform 3D
Animation Compression Library
Svelto ECS C# Entity Component System
A .NET ascii/ansi console engine written in C# for MonoGame and XNA
Free, open source game engine online
Embeddable unity game engine view for Flutter
RPG Maker 2000/2003 and EasyRPG games interpreter
A cross-platform, open-source, pure C game engine for mobile game
The flexible game engine
A refreshingly simple data-driven game engine built in Rust
Retro game engine for creating games like it's 1997