Multi Theft Auto is a game engine
fheroes2 is a recreation of Heroes of Might and Magic II game engine
Open source clone of the Age of Empires II engine
Cross-Platform C++ 2D/3D game engine
Injectable LUA scripting system, SDK generator, live property editor
The game engine for everyone
dhewm 3 main repository
Solar2D Game Engine main repository (ex Corona SDK)
Open 3D Engine (O3DE) is an Apache 2.0-licensed multi-platform 3D
A cross-platform, open-source, pure C game engine for mobile game
Open-source engine for Heroes of Might and Magic III
2D game development library for Ruby and C++
The flexible game engine
3D Procedural Game Engine Using OpenGL
The Open Toolkit library is a fast, low-level C# wrapper for OpenGL
Open Source real-time strategy game engine for early Westwood games
scene-oriented, flexible 3D engine (C++, Python, C#, Java)
A multi core friendly rigid body physics and collision detection lib
Urho3D Game engine
An easy to use 2D HTML5 game engine written in TypeScript
Svelto ECS C# Entity Component System
A .NET ascii/ansi console engine written in C# for MonoGame and XNA
A game framework written with osu! in mind.
A simple math library for games and computer graphics
A pure Go game engine