A development environment focused on modding
Open Source real-time strategy game engine for early Westwood games
Solar2D Game Engine main repository (ex Corona SDK)
Fast and lightweight JavaScript game engine built on WebGL and glTF
Godot is a powerful cross-platform game engine
Cross-Platform C++ 2D/3D game engine
The flexible game engine
Entitas is a super fast Entity Component System (ECS) Framework
Simple Beat Saber Mod Installer
Flax Engine, multi-platform 3D game engine
Simple and light-weight 3D game engine
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
Diablo build for modern operating systems
C# application with primary purpose of farming Steam cards
Open source voxel game engine with support for survival and crafting
InvokeAI is a leading creative engine for Stable Diffusion models
Multi Theft Auto is a game engine
Open source voxel world
Open source clone of the Age of Empires II engine
Real Time Strategy game engine supporting early Westwood classics
Open game and rendering engine packed into a JavaScript framework
JK's Save Manager Switch Edition