Multi Theft Auto is a game engine
Injectable LUA scripting system, SDK generator, live property editor
fheroes2 is a recreation of Heroes of Might and Magic II game engine
dhewm 3 main repository
Solar2D Game Engine main repository (ex Corona SDK)
The game engine for everyone
Flax Engine, multi-platform 3D game engine
A cross-platform, open-source, pure C game engine for mobile game
The flexible game engine
Powerful, mature open-source cross-platform game engine for Python
The Open Toolkit library is a fast, low-level C# wrapper for OpenGL
Open 3D Engine (O3DE) is an Apache 2.0-licensed multi-platform 3D
3D Procedural Game Engine Using OpenGL
Cross-Platform C++ 2D/3D game engine
2D game development library for Ruby and C++
A multi core friendly rigid body physics and collision detection lib
scene-oriented, flexible 3D engine (C++, Python, C#, Java)
Open-source engine for Heroes of Might and Magic III
Animation Compression Library
Entitas is a super fast Entity Component System (ECS) Framework
Open Source real-time strategy game engine for early Westwood games
Open source clone of the Age of Empires II engine
RPG Maker 2000/2003 and EasyRPG games interpreter
An easy to use 2D HTML5 game engine written in TypeScript
A simple math library for games and computer graphics