Open Source Alternatives to Microsoft XNA

A game development platform that enables the creation of games for Windows Phone, Xbox 360, and Windows using Visual Studio. It includes the XNA Framework, which consists of managed libraries based on the Microsoft .NET Framework. The software provides tools for writing game code and managing assets such as bitmaps, models, textures, and sounds through a dedicated Content Pipeline. It is designed for developers to build multiplatform games and includes a class library for game and content pipeline functionality. The environment provides technology overviews, tutorials, and reference material to assist in the development process. Developers use the platform to pack and distribute games to other users. It offers feature extensions to Visual Studio and Visual C# Express to support the creation of game assets and gameplay logic.

Whether you want to cut software costs or escape vendor lock-in, these open source alternatives to Microsoft XNA give you an option you fully own. You can self-host them, so your data stays on infrastructure you control. This page lists 1 open source alternative to Microsoft XNA. The most popular is MonoGame. It uses the MS-PL license.