Open Source C# Build Tools

An app platform for building Android and iOS apps with .NET and C#. .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. Learn about all Xamarin has to offer with our tutorials, videos courses, and documentation. Get started in 5 minutes with pre-packaged libraries and developer productivity tools! 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.