ENIGMA, the Extensible Non-Interpreted Game Maker Augmentation, is an open source cross-platform game development environment derived from that of the popular software GameMaker Legacy.




MonoGame is described as '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' and is a game development tool in the development category. There are more than 100 alternatives to MonoGame for a variety of platforms, including Windows, Mac, Linux, iPhone and Android apps. The best MonoGame alternative is Godot Engine, which is both free and Open Source. Other great apps like MonoGame are Unity, Unreal Engine, GDevelop and Wick Editor.
ENIGMA, the Extensible Non-Interpreted Game Maker Augmentation, is an open source cross-platform game development environment derived from that of the popular software GameMaker Legacy.




Macroquad is a simple and easy to use game library for Rust programming language, heavily inspired by raylib. Macroquad has a simple, small API that's quick to get started with. Target multiple platforms Windows, Mac, Linux, HTML5, Android and iOS with the same codebase.

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.




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.



GemRB (Game Engine Made with preRendered Background) is a portable open-source reimplementation of the Infinity Engine that underpinned Baldur's Gate, Icewind Dale and Planescape: Torment. It sports a cleaner design, greater extensibility and several innovations.




FNA is a reimplementation of the Microsoft XNA Game Studio 4.0 Refresh libraries.
ezEngine is a free, open source game engine written in C++. Its philosophy is to be modular and flexible, such that it can be adapted to many different use cases. EZ utilizes a plugin system to integrate features such as FMOD or Jolt Physics.

Stencyl isn't your average game creation software; it's a gorgeous, intuitive toolset that accelerates your workflow and then gets out of the way. We take care of the essentials, so you can focus on what's important - making your game yours.



Moddio is a Multiplayer-First Game Engine. It has a built-in server-authoritative netcode, including snapshot interpolation and client-side reconciliation. It can support 50+ concurrent players or 300+ moving entities hosted on a $5/month VM.




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...

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.




[Multimedia Fusion 2 has been replaced by Clickteam Fusion 2.5.]
Game and software creation has never been easier or quicker than with Clickteam Fusion 2.5!
With Fusion 2.5’s amazing event editor system you are able to quickly generate games or apps.
Within your first hour you.



