Free. Cross-platform. Open source. A developer platform for building all your apps.

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Supported on Windows, Linux, and macOS


Build web apps and services for Windows, Linux, macOS, and Docker.


Use a single codebase to build native mobile apps for iOS, Android, and Windows.


Create beautiful and compelling desktop apps for Windows and macOS.


Develop 2D and 3D games for the most popular desktops, phones, and consoles.

Machine Learning & AI

Add vision algorithms, speech processing, predictive models, and more to your apps.

Internet of Things

Make IoT apps, with native support for the Raspberry Pi and other single-board computers.

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You can write your .NET apps in C#, F#, or Visual Basic.

Learn about .NET Languages

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One Platform

Your skills, code, and favorite libraries apply anywhere you use .NET.

Learn about the .NET platform

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Our step-by-step tutorial will help you get .NET running on your computer.

Supported on Windows, Linux, and macOS

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