4ian / GDevelop

🎮 Open-source, cross-platform 2D/3D/multiplayer game engine designed for everyone.

melonjs / melonJS

a modern & lightweight HTML5 game engine

AlmasB / FXGL

Java / JavaFX / Kotlin Game Library (Engine)

layabox / LayaAir

LayaAir is a fully platform rendering engine with rich 2D/3D rendering capabilities and a mature integrated development platform

HaxeFlixel / flixel

Free, cross-platform 2D game engine powered by Haxe and OpenFL

flareteam / flare-engine

Free/Libre Action Roleplaying Engine (engine only)

castle-engine / castle-engine

Cross-platform (desktop, mobile, console, web) 3D and 2D game engine. Powerful visual editor. Support for glTF, X3D, IFC and more. Fast clean code using modern Pascal. Free and open-source.

morgan3d / quadplay

The quadplay✜ fantasy console

gurkenlabs / litiengine

LITIENGINE 🕹 The Java 2D game engine.

esengine / estella

A fast 2D and 3D game engine — TypeScript SDK, C++/WebAssembly core, visual editor. Ship one project to web, desktop, WeChat MiniGames, playable ads, and native Android / iOS.

DaveGreen-Games / ShapeEngine

My custom made engine based on the great Raylib Framework. Main focus is being performant and only using draw functions instead of textures.

vchelaru / FlatRedBall

Cross-platform 2D game engine focused on ultimate productivity built in .NET

InvadingOctopus / comedot

Godot template and component-based framework for 2D games.

IppClub / Dora-SSR

A game engine for rapid development across devices, featuring a built-in Web IDE with intuitive toolchain.