Free. Cross-platform. Open source.
An app platform for building Android and iOS apps with .NET and C#.
To learn more, visit the Xamarin documentation.
Build native Android, iOS, tvOS, watchOS, macOS, and Windows apps with .NET with native API access
Develop across Windows and Mac with world class developer tools for the entire app life cycle
.NET is a developer platform made up of tools, programming languages, and libraries for building many different types of applications.
Xamarin extends the .NET developer platform with tools and libraries specifically for building apps for Android, iOS, tvOS, watchOS, macOS, and Windows.
Businesses worldwide, spanning all industries, use Xamarin and .NET to build performant native mobile apps. See mobile apps that other developers have created using Xamarin, .NET, and Visual Studio.
Xamarin apps are native apps! Whether you're designing a uniform UI across platforms or building a native user interface, your apps will behave the way users expect.
With the ability to access the full spectrum of functionality exposed by the underlying platform and device, as well as leveraging platform-specific hardware acceleration, and Xamarin apps are compiled for native performance.
Xamarin is part of the vibrant .NET ecosystem, used by millions of developers worldwide. Share more than 75% of your code across platforms, for "write once, run anywhere" ease.
Use your favorite frameworks, tools, and Xamarin's powerful libraries to access native APIs and 2D graphics from shared code.
Ready to take code sharing to the next level? Xamarin.Forms is an open source mobile UI framework from Microsoft for building iOS, Android, & Windows apps with .NET from a single shared codebase.
Whether you want a consistent look across platforms or prefer native look and feel, Xamarin.Forms will get you up and running in no time.
Xamarin has an active community that is answering questions, producing samples, writing tutorials, authoring books, and more. The Xamarin Universal Library project provides a great community-maintained list of Xamarin resources, and Planet Xamarin is a central location for community bloggers.
You can stay up to date with new content on the official Xamarin Blog and YouTube channel. Get quick answers to questions with an active community of developers on Stack Overflow or Xamarin Q&A, or visit the .NET Developer Community page for more resources.
Most applications need a scalable, efficient, and versatile back end. Whether you need storage, a database or intelligent services in your app, Azure has all you need to power your mobile front-end.
Use the same tools, language, and code to develop apps for mobile, server, and cloud.