Repositories list

• 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#

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  MIT License

  •11k11k forks•38k38k stars•3.6k3.6k issues•276276 pull requests•Updated Apr 24, 2026Apr 24, 2026

• orleans

  Public

  dotnet/orleans’s past year of commit activity
  Cloud Native application framework for .NET

  distributed-systemsactorsdotnet+ 6

  distributed-systemsactorsdotnetactor-modelconcurrencycloud-computingcloud-nativedistributed-actorsorleans

  C#

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  MIT License

  •2.1k2.1k forks•11k11k stars•657657 issues•5555 pull requests•Updated Apr 24, 2026Apr 24, 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#

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  MIT License

  •569569 forks•2.1k2.1k stars•410410 issues•3131 pull requests•Updated Apr 24, 2026Apr 24, 2026

• arcade

  Public

  dotnet/arcade’s past year of commit activity
  Tools that provide common build infrastructure for multiple .NET Foundation projects.

  C#

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  MIT License

  •385385 forks•720720 stars•420420 issues•3838 pull requests•Updated Apr 24, 2026Apr 24, 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#

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  MIT License

  •5.4k5.4k forks•18k18k stars•7.8k7.8k issues•426426 pull requests•Updated Apr 24, 2026Apr 24, 2026

• roslyn

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  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#

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  MIT License

  •4.2k4.2k forks•20k20k stars•5.5k5.5k issues•657657 pull requests•Updated Apr 24, 2026Apr 24, 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#

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  MIT License

  •1.9k1.9k forks•23k23k stars•3.8k3.8k issues•320320 pull requests•Updated Apr 24, 2026Apr 24, 2026

• SqlClient

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

  C#

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  MIT License

  •329329 forks•967967 stars•227227 issues•6161 pull requests•Updated Apr 24, 2026Apr 24, 2026

• arcade-validation

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

  PowerShell

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  MIT License

  •3636 forks•1919 stars•00 issues•11 pull request•Updated Apr 24, 2026Apr 24, 2026

• efcore

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  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#

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  MIT License

  •3.4k3.4k forks•15k15k stars•2.4k2.4k issues•3737 pull requests•Updated Apr 24, 2026Apr 24, 2026

• Scaffolding

  Public
  Code generators to speed up development.

  C#

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  MIT License

  •242242 forks•806806 stars•240240 issues•1212 pull requests•Updated Apr 24, 2026Apr 24, 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#

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  MIT License

  •1.2k1.2k forks•3.1k3.1k stars•2.7k2.7k issues•227227 pull requests•Updated Apr 24, 2026Apr 24, 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•935935 issues•6868 pull requests•Updated Apr 24, 2026Apr 24, 2026

• maui-labs

  Public
  Experimental and pre-release tools for .NET MAUI

  androidmicrosoftios+ 10

  androidmicrosoftiosmulti-platformmobileaidotnetmcpdesktopuser-interface+ 3

  C#

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  MIT License

  •1111 forks•8383 stars•2424 issues•1818 pull requests•Updated Apr 24, 2026Apr 24, 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#

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  MIT License

  •282282 forks•1.1k1.1k stars•134134 issues•4747 pull requests•Updated Apr 24, 2026Apr 24, 2026

• systemweb-adapters

  Public
  C#

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  MIT License

  •7171 forks•382382 stars•3434 issues•66 pull requests•Updated Apr 24, 2026Apr 24, 2026

• dotnet-api-docs

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  dotnet/dotnet-api-docs’s past year of commit activity
  .NET API reference documentation (.NET 5+, .NET Core, .NET Framework)

  hacktoberfest

  hacktoberfest

  C#

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  Other

  •1.7k1.7k forks•906906 stars•1.5k1.5k issues•9999 pull requests•Updated Apr 24, 2026Apr 24, 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

  •858858 forks•4.3k4.3k stars•1.2k1.2k issues•9292 pull requests•Updated Apr 24, 2026Apr 24, 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#

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  MIT License

  •6868 forks•208208 stars•3434 issues•11 pull request•Updated Apr 24, 2026Apr 24, 2026

• winforms

  Public

  dotnet/winforms’s past year of commit activity
  Windows Forms is a .NET UI framework for building Windows desktop applications.

  winformsdesktophelp-wanted+ 2

  winformsdesktophelp-wantedwindows-formshacktoberfest

  C#

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  MIT License

  •1.1k1.1k forks•4.8k4.8k stars•720720 issues•8888 pull requests•Updated Apr 24, 2026Apr 24, 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#

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  Other

  •565565 forks•2.9k2.9k stars•451451 issues•4545 pull requests•Updated Apr 24, 2026Apr 24, 2026

• razor

  Public

  dotnet/razor’s past year of commit activity
  Compiler and tooling experience for Razor ASP.NET Core apps in Visual Studio and VS Code.

  aspnethacktoberfest

  aspnethacktoberfest

  C#

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  MIT License

  •238238 forks•709709 stars•638638 issues•3434 pull requests•Updated Apr 24, 2026Apr 24, 2026

• android-libraries

  Public

  dotnet/android-libraries’s past year of commit activity
  .NET for Android bindings for Google's libraries, such as AndroidX, GooglePlayServices, Firebase, and MLKit and their 3rd party dependency libraries.

  androidfirebasedotnet+ 4

  androidfirebasedotnetgoogle-play-servicesmlkitmauiandroidx

  C#

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  MIT License

  •6666 forks•303303 stars•8282 issues•2121 pull requests•Updated Apr 24, 2026Apr 24, 2026

• performance

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

  F#

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  MIT License

  •297297 forks•761761 stars•209209 issues•5151 pull requests•Updated Apr 24, 2026Apr 24, 2026

• arcade-services

  Public

  dotnet/arcade-services’s past year of commit activity
  Home to .NET's dependency flow system & tooling

  infrastructuredotnetdependencies+ 2

  infrastructuredotnetdependenciesengineering-platformsdepedency-tracking

  C#

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  MIT License

  •8181 forks•8181 stars•174174 issues•77 pull requests•Updated Apr 24, 2026Apr 24, 2026

• extensions

  Public

  dotnet/extensions’s past year of commit activity
  This repository contains a suite of libraries that provide facilities commonly needed when creating production-ready applications.

  dotnet

  dotnet

  C#

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  MIT License

  •862862 forks•3.1k3.1k stars•211211 issues•2727 pull requests•Updated Apr 24, 2026Apr 24, 2026

• docker-tools

  Public

  dotnet/docker-tools’s past year of commit activity
  This is a repo to house some common tools for our various docker repos.

  C#

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  MIT License

  •6565 forks•176176 stars•103103 issues•33 pull requests•Updated Apr 24, 2026Apr 24, 2026

• emsdk

  Public

  dotnet/emsdk’s past year of commit activity
  Emscripten SDK

  Shell

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  Other

  •807807 forks•1717 stars•00 issues•33 pull requests•Updated Apr 24, 2026Apr 24, 2026

• cecil

  Public
  Cecil is a library to inspect, modify and create .NET programs and libraries.

  C#

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  MIT License

  •652652 forks•7070 stars•00 issues•00 pull requests•Updated Apr 24, 2026Apr 24, 2026

• sourcelink

  Public

  dotnet/sourcelink’s past year of commit activity
  Source Link enables a great source debugging experience for your users, by adding source control metadata to your built assets

  C#

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  MIT License

  •137137 forks•1.3k1.3k stars•134134 issues•1010 pull requests•Updated Apr 24, 2026Apr 24, 2026