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microsoft/dotnet

This repo is the official home of .NET on GitHub. It's a great starting point to find many .NET OSS projects from Microsoft and the community, including many that are part of the .NET Foundation.

View on GitHub ↗https://devblogs.microsoft.com/dotnet/ ↗
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Created Oct 23, 2014Updated Sep 23, 2025

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README

.NET Home

This repository is a starting point to learn about and engage in .NET and .NET open source projects.

This repository is not an official .NET or .NET Framework support location, however, we will respond to issues filed here as best we can. Please file .NET product issues at main project repos below.

In this repository

  • .NET Framework Release Notes
  • .NET Framework Documentation
  • .NET Open Source Developer Projects
  • .NET Open Source Consumer Projects
  • Free Services & Tools for Open Source .NET Projects

Please contribute to this repository via pull requests

Finding .NET Open Source Projects

Here are some excellent community-maintained lists of projects & libraries:

  • Awesome .NET
  • Awesome .NET MAUI
  • Awesome Blazor

There are many projects that you can use and contribute to, some of which are listed below. Please do contribute to these projects!

.NET

  • .NET (dotnet/core)
  • .NET Aspire (dotnet/aspire)
  • .NET MAUI (dotnet/maui)
  • .NET testing, includes Microsoft.Testing.Platform and MSTest (microsoft/testfx)
  • ASP.NET Core (dotnet/aspnetcore)
  • C# (dotnet/csharplang)
  • Entity Framework Core (dotnet/efcore)
  • F# (dotnet/fsharp)
  • ML.NET (dotnet/machinelearning)
  • Roslyn Compiler Platform (dotnet/roslyn)
  • Windows Forms (dotnet/winforms)
  • WPF (dotnet/wpf)

.NET Docs

  • .NET docs (dotnet/docs)
  • .NET Aspire docs (dotnet/docs-aspire)
  • .NET MAUI docs (dotnet/docs-maui)
  • ASP.NET Core docs (dotnet/AspNetCore.Docs)
  • Entity Framework docs (dotnet/EntityFramework.Docs)

.NET Framework

  • .NET Framework docs (dotnet/docs)
  • .NET Framework source code - read-only subset (microsoft/referencesource)

Xamarin

  • Xamarin iOS + macOS (xamarin/xamarin-macios)
  • Xamarin Android (xamarin/xamarin-android)
  • Xamarin.Forms (xamarin/Xamarin.Forms)
  • Mono Project

Community

Here is a short list of projects to check out:

  • .NET for Apache Spark
  • Orleans
  • Exceptionless
  • Glimpse
  • JSON.NET
  • MonoGame
  • MVVM Cross
  • ReactiveUI

There are additional templates available for dotnet new. For more information, see Available templates for dotnet new

.NET Foundation

Many .NET open source projects are part of the .NET Foundation. Microsoft has contributed many projects, including ASP.NET Core and .NET Core. You may want to consider joining the .NET Foundation.

Check out the .NET Foundation Discord Server to see what others are talking about, or start a new discussion to ask a question or make a point.

License

This repository is licensed with the MIT license.