Solar2D Game Engine main repository (ex Corona SDK)
A development environment focused on modding
Open Source real-time strategy game engine for early Westwood games
Fast and lightweight JavaScript game engine built on WebGL and glTF
Entitas is a super fast Entity Component System (ECS) Framework
Godot is a powerful cross-platform game engine
Cross-Platform C++ 2D/3D game engine
Flax Engine, multi-platform 3D game engine
The flexible game engine
Simple and light-weight 3D game engine
Simple Beat Saber Mod Installer
Open source reimplementation of GTA San Andreas game engine in Unity
Sandbox video game with a powerful physics engine
A free & open-source 2D sprite editor, made with the Godot Engine
An iOS & tvOS Frontend for Multiple Emulators
Multi Theft Auto is a game engine
Diablo build for modern operating systems
A complete 3-D game development suite written in Java
Open source clone of the Age of Empires II engine
Open game and rendering engine packed into a JavaScript framework
Open source voxel game engine with support for survival and crafting
fheroes2 is a recreation of Heroes of Might and Magic II game engine
The game engine for everyone
Real Time Strategy game engine supporting early Westwood classics
A Flutter based game engine