Solar2D Game Engine main repository (ex Corona SDK)
Open Source real-time strategy game engine for early Westwood games
The flexible game engine
Fast and lightweight JavaScript game engine built on WebGL and glTF
A development environment focused on modding
Entitas is a super fast Entity Component System (ECS) Framework
Injectable LUA scripting system, SDK generator, live property editor
Godot is a powerful cross-platform game engine
Cross-Platform C++ 2D/3D game engine
A free & open-source 2D sprite editor, made with the Godot Engine
Sandbox video game with a powerful physics engine
Simple Beat Saber Mod Installer
Diablo build for modern operating systems
Multi Theft Auto is a game engine
A complete 3-D game development suite written in Java
Open source voxel game engine with support for survival and crafting
The Tiny JavaScript Game Engine That Can!
Real Time Strategy game engine supporting early Westwood classics
Lutris desktop client in Python
Dust3D is a cross-platform open-source 3D modeling software
Open Source MMORPG Framework
fheroes2 is a recreation of Heroes of Might and Magic II game engine
The game engine for everyone
Magic Another Game Engine
Java/JavaFX/Kotlin Game Library (Engine)