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
Entitas is a super fast Entity Component System (ECS) Framework
A development environment focused on modding
Injectable LUA scripting system, SDK generator, live property editor
Godot is a powerful cross-platform game engine
Cross-Platform C++ 2D/3D game engine
Flax Engine, multi-platform 3D game engine
Sandbox video game with a powerful physics engine
Simple Beat Saber Mod Installer
Open game and rendering engine packed into a JavaScript framework
Open source voxel game engine with support for survival and crafting
Multi Theft Auto is a game engine
Real Time Strategy game engine supporting early Westwood classics
fheroes2 is a recreation of Heroes of Might and Magic II game engine
Skript is a Bukkit plugin which allows server admins
Lutris desktop client in Python
The Tiny JavaScript Game Engine That Can!
LayaAir is an open-source 2D/3D engine
Java/JavaFX/Kotlin Game Library (Engine)
The game engine for everyone
Open Source MMORPG Framework
Magic Another Game Engine