One of the most popular alternatives to Unity is Godot Engine, which is free and open source. Other popular alternatives are Unreal Engine, GDevelop, Candlestick and CRYENGINE. You're spoiled for choice with Game Development Tools like Unity: we list more than 100 alternatives for Windows, Linux, Mac, the web and Android.
Panda3D is a game engine, a framework for 3D rendering and game development for Python and C++ programs. Panda3D is Open Source and free for any purpose, including commercial ventures, thanks to its liberal license. Go ahead and grab it here.
United States
Phaser is a fun, free and fast 2D game framework for making HTML5 games for desktop and mobile web browsers, supporting Canvas and WebGL rendering.
United Kingdom
Xogot brings the full power of the Godot game engine to iPad. With a native iPad experience designed for touch, you can create, test, and share games wherever inspiration strikes.
One framework for creating powerful cross-platform games. The spiritual successor to XNA with 1000's of titles shipped across desktop, mobile, and console platforms. MonoGame is a fully managed .NET open source game framework without any black boxes.
Unigine Engine is a proprietary cross-platform middleware, developed by Unigine. It is used as either a game engine or as an engine for VR systems. The middleware is aimed to the wide market, so there are various licenses of Unigine, including special ones for independent...
Luxembourg
EU
JMonkeyEngine3 it’s a free, open source game engine, made especially for Java game developers who want to create 3D games using modern technology. The software is programmed entirely in Java, intended for wide accessibility and quick deployment.
Wicked Engine is an open-source game engine written in C++. The main focus is to be easy to set up and use, light weight, high performance, and graphically advanced. The full source code is provided with the MIT license, which means, anyone is free to use it for anything without...
HungaryEU
Flax Engine is claimed the most agile game engine. It's open source, cross-platform and it lets you write scripts in C++ and C# seamlessly. Also focused on lightweight development. A true game changer.
PolandEU
Create anything you can imagine with Roblox's free and immersive creation engine. Roblox Studio lets you create anything and release with one click to smartphones, tablets, desktops, consoles, and virtual reality devices.
United States
Phaser Editor is a tool for HTML5 games creation. It provides several built-in editors for texture packing, JavaScript coding, Assets management, and 2D level building.
NeoAxis 3D Engine is positioned as a universal development framework for 3D projects. The framework can be applied when developing various types of 3D projects, such as the creation of video games, development of simulators, virtual reality and visualization software, creation...
United Kingdom
3D game engine that uses web technologies. Perfect for those who already know TypeScript and want to collaborate with designers and artists to create 3D experiences.
SwedenEU
