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.

Unity is described as 'Real-time 3D engine enabling collaboration to create immersive, interactive experiences on Windows, Mac, and Linux, with extensive platform support' and is a very popular game development tool in the development category. There are more than 100 alternatives to Unity for a variety of platforms, including Windows, Linux, Mac, Web-based and iPhone apps. The best Unity alternative is Godot Engine, which is both free and Open Source. Other great apps like Unity are Unreal Engine, Stride Game Engine, GDevelop and Candlestick.
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.

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...








The Cafu Engine is an all-purpose, modern 3D graphics engine and game development kit, feature complete to get you started quickly.




Cocos Creator is a complete package of game development tools and workflow, including a game engine (based on Cocos2d-x), resource management, scene editing, game preview, debug and publish one project to multiple platforms.


HARFANG®3D is a cross-platform & multi-language solution to integrate with embedded systems, existing environments & combining features to meet the industrial standards of 3D imaging.




AppGameKit Studio is a fully featured cross-platform game development tool set that runs on Windows, Linux and MacOS. With the re-imagined game development user interface with the focus to be an all-in-one work space, you can now quickly drag & drop assets to visualize your...




The open-source Roblox & UEFN alternative giving you freedom to own what you create. An all-in-one, real-time, collaborative game development platform built on Godot Engine.




Felgo is a Cross-Platform Development SDK based on the popular Qt framework. Felgo Apps and Games are created within the Qt Creator.




Blend4Web is an Open Source tool for interactive 3D visualization on the Internet. It provides Free and Commercial licenses.




Banquise is a global community of players and creators. Create any games or other interactive content in no-code and share it with the whole community.




A feature-rich, production-ready, general purpose 2D/3D game engine written in Rust with a scene editor. Formerly known as rg3d.

Being written in Pascal makes it very easy to port to different OS's and architectures. The problem is that Pascal is an "almost dead" language, not because it's bad, but because of the small adoption.