Repositories list

• macios

  Public
  .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•462462 issues•4343 pull requests•Updated May 7, 2026May 7, 2026

• dotnet

  Public
  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•136136 issues•3333 pull requests•Updated May 7, 2026May 7, 2026

• orleans

  Public
  Cloud Native application framework for .NET

  distributed-systemsactorsdotnet+ 6

  distributed-systemsactorsdotnetactor-modelconcurrencycloud-computingcloud-nativedistributed-actorsorleans

  C#

  •

  MIT License

  •2.1k2.1k forks•11k11k stars•661661 issues•7171 pull requests•Updated May 7, 2026May 7, 2026

• docs-maui

  Public
  This repository contains documentation for .NET Multi-platform App UI (MAUI).

  csharpdotnet

  csharpdotnet

  Creative Commons Attribution 4.0 International

  •254254 forks•274274 stars•147147 issues•1313 pull requests•Updated May 7, 2026May 7, 2026

• 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•270270 pull requests•Updated May 7, 2026May 7, 2026

• maui-labs

  Public
  Experimental and pre-release tools for .NET MAUI

  androidmicrosoftios+ 10

  androidmicrosoftiosmulti-platformmobileaidotnetmcpdesktopuser-interface+ 3

  C#

  •

  MIT License

  •1212 forks•117117 stars•3232 issues•2929 pull requests•Updated May 7, 2026May 7, 2026

• dotNext

  Public

  dotnet/dotNext’s past year of commit activity
  Next generation API for .NET

  reflectioncsharpasync+ 16

  reflectioncsharpasyncdotnetdotnetcoreraftclustermetaprogrammingconcurrencydelegate+ 9

  C#

  •

  MIT License

  •151151 forks•1.9k1.9k stars•11 issue•00 pull requests•Updated May 7, 2026May 7, 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•412412 pull requests•Updated May 7, 2026May 7, 2026

• sdk

  Public

  dotnet/sdk’s past year of commit activity
  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•222222 pull requests•Updated May 7, 2026May 7, 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#

  •

  MIT License

  •859859 forks•4.3k4.3k stars•1.2k1.2k issues•7878 pull requests•Updated May 7, 2026May 7, 2026

• android

  Public

  dotnet/android’s past year of commit activity
  .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•412412 issues•3434 pull requests•Updated May 7, 2026May 7, 2026

• roslyn

  Public

  dotnet/roslyn’s past year of commit activity
  The Roslyn .NET compiler provides C# and Visual Basic languages with rich code analysis APIs.

  visual-studiocsharproslyn+ 2

  visual-studiocsharproslynvisual-basichacktoberfest

  C#

  •

  MIT License

  •4.3k4.3k forks•20k20k stars•5.5k5.5k issues•701701 pull requests•Updated May 7, 2026May 7, 2026

• aspnetcore

  Public
  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•274274 pull requests•Updated May 7, 2026May 7, 2026

• workload-versions

  Public
  Shell

  •

  MIT License

  •1818 forks•1313 stars•88 issues•77 pull requests•Updated May 7, 2026May 7, 2026

• SqlClient

  Public

  dotnet/SqlClient’s past year of commit activity
  Microsoft.Data.SqlClient provides database connectivity to SQL Server for .NET applications.

  C#

  •

  MIT License

  •330330 forks•973973 stars•230230 issues•6161 pull requests•Updated May 7, 2026May 7, 2026

• msbuild

  Public
  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•107107 pull requests•Updated May 7, 2026May 7, 2026

• Scaffolding

  Public

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

  C#

  •

  MIT License

  •243243 forks•808808 stars•242242 issues•1010 pull requests•Updated May 7, 2026May 7, 2026

• dotnet-operator-sdk

  Public
  KubeOps is a Kubernetes operator sdk in dotnet. Strongly inspired by kubebuilder.

  kubernetessdkdotnet+ 3

  kubernetessdkdotnetoperatorcrdskubernetes-operator-sdk

  C#

  •

  Apache License 2.0

  •8686 forks•363363 stars•2323 issues•66 pull requests•Updated May 7, 2026May 7, 2026

• dotnet-monitor

  Public
  This repository contains the source code for .NET Monitor - a tool that allows you to gather diagnostic data from running applications using HTTP endpoints

  C#

  •

  MIT License

  •124124 forks•706706 stars•126126 issues•88 pull requests•Updated May 7, 2026May 7, 2026

• source-build-assets

  Public
  C#

  •

  MIT License

  •7171 forks•5252 stars•1414 issues•55 pull requests•Updated May 7, 2026May 7, 2026

• arcade-validation

  Public
  Testing and validation scenarios for https://github.com/dotnet/arcade

  PowerShell

  •

  MIT License

  •3636 forks•1919 stars•00 issues•33 pull requests•Updated May 7, 2026May 7, 2026

• docs

  Public

  dotnet/docs’s past year of commit activity
  This repository contains .NET Documentation.

  csharpfsharpvisual-basic+ 3

  csharpfsharpvisual-basicdotnetdotnet-corehacktoberfest

  Creative Commons Attribution 4.0 International

  •6.1k6.1k forks•4.7k4.7k stars•943943 issues•6565 pull requests•Updated May 7, 2026May 7, 2026

• extensions

  Public
  This repository contains a suite of libraries that provide facilities commonly needed when creating production-ready applications.

  dotnet

  dotnet

  C#

  •

  MIT License

  •863863 forks•3.2k3.2k stars•217217 issues•2323 pull requests•Updated May 7, 2026May 7, 2026

• csharplang

  Public
  The official repo for the design of the C# programming language

  csharplanguage-design

  csharplanguage-design

  C#

  •1.1k1.1k forks•13k13k stars•238238 issues•3737 pull requests•Updated May 7, 2026May 7, 2026

• deployment-tools

  Public
  This repo contains the code to build the .NET deployment tools and installers for all supported platforms, as well as the sources to .NET deployment tools.

  C#

  •

  MIT License

  •6868 forks•208208 stars•3434 issues•33 pull requests•Updated May 7, 2026May 7, 2026

• dotnet-api-docs

  Public
  .NET API reference documentation (.NET 5+, .NET Core, .NET Framework)

  hacktoberfest

  hacktoberfest

  C#

  •

  Other

  •1.7k1.7k forks•911911 stars•1.5k1.5k issues•9696 pull requests•Updated May 7, 2026May 7, 2026

• efcore

  Public

  dotnet/efcore’s past year of commit activity
  EF Core is a modern object-database mapper for .NET. It supports LINQ queries, change tracking, updates, and schema migrations.

  c-sharpormdatabase+ 6

  c-sharpormdatabaseentity-frameworkdotnet-coredotnet-standardhacktoberfestdotnet-frameworkaspnet-product

  C#

  •

  MIT License

  •3.4k3.4k forks•15k15k stars•2.4k2.4k issues•4545 pull requests•Updated May 7, 2026May 7, 2026

• android-tools

  Public
  C#

  •

  MIT License

  •3333 forks•3939 stars•2828 issues•55 pull requests•Updated May 7, 2026May 7, 2026

• node

  Public
  Node.js JavaScript runtime :sparkles::turtle::rocket::sparkles:

  JavaScript

  •

  Other

  •35k35k forks•88 stars•00 issues•22 pull requests•Updated May 7, 2026May 7, 2026

• csharpstandard

  Public
  Working space for ECMA-TC49-TG2, the C# standard committee.

  C#

  •

  Creative Commons Attribution 4.0 International

  •9696 forks•806806 stars•268268 issues•5555 pull requests•Updated May 7, 2026May 7, 2026