Repositories list

• maui

  Public

  dotnet/maui’s past year of commit activity
  .NET MAUI is the .NET Multi-platform App UI, a framework for building native device applications spanning mobile, tablet, and desktop.

  androidmicrosoftios+ 10

  androidmicrosoftiosmulti-platformmobiledotnetdesktopuser-interfacehacktoberfestmaui+ 3

  C#

  •

  MIT License

  •1.9k1.9k forks•23k23k stars•3.7k3.7k issues•262262 pull requests•Updated May 9, 2026May 9, 2026

• runtime

  Public

  dotnet/runtime’s past year of commit activity
  .NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

  dotnethelp-wantedhacktoberfest

  dotnethelp-wantedhacktoberfest

  C#

  •

  MIT License

  •5.4k5.4k forks•18k18k stars•7.8k7.8k issues•423423 pull requests•Updated May 9, 2026May 9, 2026

• dotnet

  Public

  dotnet/dotnet’s past year of commit activity
  Home of .NET's Virtual Monolithic Repository which includes all the code needed to build the .NET SDK.

  dotnetmonorepo

  dotnetmonorepo

  C#

  •

  MIT License

  •287287 forks•1.1k1.1k stars•135135 issues•4040 pull requests•Updated May 9, 2026May 9, 2026

• android

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

  C#

  •

  MIT License

  •569569 forks•2.1k2.1k stars•413413 issues•3838 pull requests•Updated May 9, 2026May 9, 2026

• fsharp

  Public

  dotnet/fsharp’s past year of commit activity
  The F# compiler, F# core library, F# language service, and F# tooling integration for Visual Studio

  visual-studiotoolscompiler+ 5

  visual-studiotoolscompilerfsharpfunctional-programmingdotnetnetcoreintellisense

  F#

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  MIT License

  •859859 forks•4.3k4.3k stars•1.2k1.2k issues•8484 pull requests•Updated May 9, 2026May 9, 2026

• aspnetcore

  Public

  dotnet/aspnetcore’s past year of commit activity
  ASP.NET Core is a cross-platform .NET framework for building modern cloud-based web applications on Windows, Mac, or Linux.

  dotnetaspnetcorehelp-wanted+ 1

  dotnetaspnetcorehelp-wantedhacktoberfest

  C#

  •

  MIT License

  •11k11k forks•38k38k stars•3.6k3.6k issues•277277 pull requests•Updated May 9, 2026May 9, 2026

• msbuild

  Public

  dotnet/msbuild’s past year of commit activity
  The Microsoft Build Engine (MSBuild) is the build platform for .NET and Visual Studio.

  microsoftvisual-studiobuild+ 3

  microsoftvisual-studiobuildmsbuildhelp-wantedhacktoberfest

  C#

  •

  MIT License

  •1.4k1.4k forks•5.5k5.5k stars•1.5k1.5k issues•103103 pull requests•Updated May 9, 2026May 9, 2026

• versions

  Public

  dotnet/versions’s past year of commit activity
  This repo contains information about the various component versions that ship with .NET Core.

  MIT License

  •156156 forks•151151 stars•00 issues•00 pull requests•Updated May 9, 2026May 9, 2026

• macios

  Public

  dotnet/macios’s past year of commit activity
  .NET for iOS, Mac Catalyst, macOS, and tvOS provide open-source bindings of the Apple SDKs for use with .NET managed languages such as C#

  macosiosxamarin+ 4

  macosiosxamarincsharpdotnettvoswatchos

  C#

  •

  Other

  •565565 forks•2.9k2.9k stars•456456 issues•4747 pull requests•Updated May 9, 2026May 9, 2026

• sdk

  Public
  Core functionality needed to create .NET Core projects, that is shared between Visual Studio and CLI

  clivisual-studiosdk+ 1

  clivisual-studiosdkdotnet

  C#

  •

  MIT License

  •1.2k1.2k forks•3.1k3.1k stars•2.5k2.5k issues•218218 pull requests•Updated May 9, 2026May 9, 2026

• ef6tools

  Public

  dotnet/ef6tools’s past year of commit activity
  This is the codebase for the Entity Framework 6 and LINQ-To-SQL designers.

  C#

  •

  MIT License

  •2020 forks•3737 stars•1111 issues•11 pull request•Updated May 9, 2026May 9, 2026

• diagnostics

  Public

  dotnet/diagnostics’s past year of commit activity
  This repository contains the source code for various .NET Core runtime diagnostic tools and documents.

  C++

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  MIT License

  •396396 forks•1.3k1.3k stars•258258 issues•2828 pull requests•Updated May 9, 2026May 9, 2026

• spark

  Public
  .NET for Apache® Spark™ makes Apache Spark™ easily accessible to .NET developers.

  microsoftemrmachine-learning+ 17

  microsoftemrmachine-learningstreamingsparkapache-sparkcsharpfsharpanalyticsdotnet+ 10

  C#

  •

  MIT License

  •328328 forks•2.1k2.1k stars•171171 issues•2626 pull requests•Updated May 9, 2026May 9, 2026

• Scaffolding

  Public

  dotnet/Scaffolding’s past year of commit activity
  Code generators to speed up development.

  C#

  •

  MIT License

  •243243 forks•808808 stars•243243 issues•1313 pull requests•Updated May 9, 2026May 9, 2026

• skills

  Public
  Repository for skills to assist AI coding agents with .NET and C#

  agent-skills

  agent-skills

  C#

  •

  MIT License

  •128128 forks•1.6k1.6k stars•4545 issues•4646 pull requests•Updated May 9, 2026May 9, 2026

• roslyn

  Public
  The Roslyn .NET compiler provides C# and Visual Basic languages with rich code analysis APIs.

  visual-studiocsharproslyn+ 2

  visual-studiocsharproslynvisual-basichacktoberfest

  C#

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  MIT License

  •4.3k4.3k forks•20k20k stars•5.5k5.5k issues•700700 pull requests•Updated May 9, 2026May 9, 2026

• winforms

  Public
  Windows Forms is a .NET UI framework for building Windows desktop applications.

  winformsdesktophelp-wanted+ 2

  winformsdesktophelp-wantedwindows-formshacktoberfest

  C#

  •

  MIT License

  •1.1k1.1k forks•4.8k4.8k stars•713713 issues•8686 pull requests•Updated May 9, 2026May 9, 2026

• nbgv

  Public
  The repo behind the dotnet/nbgv GitHub Action

  TypeScript

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  MIT License

  •99 forks•5959 stars•33 issues•1414 pull requests•Updated May 9, 2026May 9, 2026

• performance

  Public
  This repo contains benchmarks used for testing the performance of all .NET Runtimes

  F#

  •

  MIT License

  •297297 forks•762762 stars•209209 issues•5353 pull requests•Updated May 9, 2026May 9, 2026

• designs

  Public
  This repo is used for reviewing new .NET designs.

  C#

  •

  Other

  •169169 forks•941941 stars•00 issues•2424 pull requests•Updated May 9, 2026May 9, 2026

• windowsdesktop

  Public
  Shell

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  MIT License

  •6666 forks•207207 stars•1414 issues•00 pull requests•Updated May 9, 2026May 9, 2026

• arcade

  Public
  Tools that provide common build infrastructure for multiple .NET Foundation projects.

  C#

  •

  MIT License

  •386386 forks•721721 stars•420420 issues•3737 pull requests•Updated May 9, 2026May 9, 2026

• wpf

  Public
  WPF is a .NET Core UI framework for building Windows desktop applications.

  dotnetwpfhelp-wanted

  dotnetwpfhelp-wanted

  C#

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  MIT License

  •1.3k1.3k forks•7.6k7.6k stars•1.4k1.4k issues•211211 pull requests•Updated May 9, 2026May 9, 2026

• emsdk

  Public
  Emscripten SDK

  Shell

  •

  Other

  •807807 forks•1717 stars•00 issues•33 pull requests•Updated May 9, 2026May 9, 2026

• icu

  Public
  Fork of https://github.com/microsoft/icu for dotnet on WebAssembly

  C++

  •

  Other

  •5353 forks•1414 stars•00 issues•33 pull requests•Updated May 9, 2026May 9, 2026

• extensions-samples

  Public
  PowerShell

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  MIT License

  •1010 forks•1313 stars•11 issue•55 pull requests•Updated May 9, 2026May 9, 2026

• AspNetCore.Docs

  Public
  Documentation for ASP.NET Core

  docsaspnetcoreaspnet+ 2

  docsaspnetcoreaspnetaspaspnet-core

  C#

  •

  Creative Commons Attribution 4.0 International

  •25k25k forks•13k13k stars•577577 issues•1616 pull requests•Updated May 9, 2026May 9, 2026

• vscode-dotnet-runtime

  Public
  VSCode Extension for Installing .NET via VS Code

  TypeScript

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  MIT License

  •425425 forks•208208 stars•668668 issues•2525 pull requests•Updated May 9, 2026May 9, 2026

• vscode-csharp

  Public
  Official C# support for Visual Studio Code

  c-sharpcsharpdotnet+ 2

  c-sharpcsharpdotnetvscodeomnisharp

  TypeScript

  •

  MIT License

  •753753 forks•3k3k stars•702702 issues•2222 pull requests•Updated May 9, 2026May 9, 2026

• java-interop

  Public
  Java.Interop provides open-source bindings of Java's Java Native Interface (JNI) for use with .NET managed languages such as C#

  javacsharpdotnet+ 2

  javacsharpdotnetinteropjni

  C#

  •

  Other

  •6565 forks•254254 stars•101101 issues•99 pull requests•Updated May 8, 2026May 8, 2026