Fast and lightweight JavaScript game engine built on WebGL and glTF
Open Source real-time strategy game engine for early Westwood games
Solar2D Game Engine main repository (ex Corona SDK)
The flexible game engine
Entitas is a super fast Entity Component System (ECS) Framework
A development environment focused on modding
Godot is a powerful cross-platform game engine
Cross-Platform C++ 2D/3D game engine
Blockbench - A low poly 3D model editor
Desktop/Android/HTML5/iOS Java game development framework
Open game and rendering engine packed into a JavaScript framework
Ct.js is a desktop game engine that makes learning programming fun
Bloat-free Graphical User interface for C++ with minimal dependencies
Injectable LUA scripting system, SDK generator, live property editor
Magic Another Game Engine
Multi Theft Auto is a game engine
3D Procedural Game Engine Using OpenGL
Open source voxel game engine with support for survival and crafting
fheroes2 is a recreation of Heroes of Might and Magic II game engine
Java library that enables cross-platform access to popular native APIs
Open source clone of the Age of Empires II engine
One framework for creating powerful cross-platform games
scene-oriented, flexible 3D engine (C++, Python, C#, Java)
dhewm 3 main repository
A retro game engine for Python