.NET Multi-platform App UI (.NET MAUI) lets you build native apps using a .NET cross-platform UI toolkit that targets the mobile and desktop form factors on Android, iOS, macOS, Windows, and Tizen.

.NET for Apache Spark provides high performance APIs for using Apache Spark from C# and F#. With these .NET APIs, you can access the most popular Dataframe and SparkSQL aspects of Apache Spark, for working with structured data, and Spark Structured Streaming, for working with streaming data.

WorldWide Telescope is a visualization environment that enables a computer to function as a virtual telescope — bringing together archival imagery from the world's best ground- and space-based telescopes for the exploration of the Universe.

Xamarin.Android provides open-source bindings of the Android SDK for use with .NET managed languages such as C#.

The Xamarin Community Toolkit is a collection of Animations, Behaviors, Converters, and Effects and more for mobile development with Xamarin.Forms. It simplifies and demonstrates common developer tasks building iOS, Android, and UWP apps with Xamarin.Forms.

Xamarin Component for Google Play Services Client Library are Xamarin.Android bindings for the Google Play Services Client Library

Xamarin Components for Facebook are Xamarin.Android and Xamarin.iOS bindings for Facebook SDKs.

The .NET platform is the foundation of the .NET ecosystem. The platform enables all other .NET code to be built and run. It also defines many of the patterns and capabilities commonly used by .NET developers, like LINQ, async, and generics. The .NET platform is also cross-platform by default, enabling most code to run on any supported operating system or chip architecture.

The .NET Compiler Platform ("Roslyn") provides open-source C# and Visual Basic compilers with rich code analysis APIs. You can build code analysis tools with the same APIs that Microsoft is using to implement Visual Studio!

.NET Bio is an open source library of common bioinformatics functions, intended to simplify the creation of life science applications.

Xamarin Components for Google APIs for iOS are Xamarin.iOS bindings for the Google APIs for iOS Libraries

These SDKs allow us to create native iOS, tvOS, watchOS and macOS applications using the same UI controls we would in Objective-C and Xcode

Xamarin.Auth is a cross-platform API for authenticating users and storing their accounts.

Xamarin.Forms provides a way to quickly build native apps for iOS, Android, Windows and macOS, completely in C#.

xUnit.net is a free, open source, community-focused unit testing tool for the .NET Framework. Written by the original inventor of NUnit v2, xUnit.net is the latest technology for unit testing C#, F#, VB.NET and other .NET languages.

This repo contains documentation for the .NET API Reference.