Repositories list

• 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 in dotnet/winforms•4.9k4.9k stars in dotnet/winforms•817817 issues in dotnet/winforms•142142 pull requests in dotnet/winforms•Updated Oct 31, 2026Oct 31, 2026

• aspnetcore

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  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

  •13k13k forks in dotnet/aspnetcore•38k38k stars in dotnet/aspnetcore•3.9k3.9k issues in dotnet/aspnetcore•513513 pull requests in dotnet/aspnetcore•Updated Oct 31, 2026Oct 31, 2026

• orleans

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  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

  •2.2k2.2k forks in dotnet/orleans•11k11k stars in dotnet/orleans•557557 issues in dotnet/orleans•120120 pull requests in dotnet/orleans•Updated Oct 31, 2026Oct 31, 2026

• runtime

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  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

  •5.8k5.8k forks in dotnet/runtime•18k18k stars in dotnet/runtime•7.5k7.5k issues in dotnet/runtime•680680 pull requests in dotnet/runtime•Updated Oct 31, 2026Oct 31, 2026

• dotnet

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  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

  •349349 forks in dotnet/dotnet•1.3k1.3k stars in dotnet/dotnet•147147 issues in dotnet/dotnet•4747 pull requests in dotnet/dotnet•Updated Oct 31, 2026Oct 31, 2026

• android-api-docs

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  dotnet/android-api-docs’s past year of commit activity
  .NET for Android reference documentation.

  C#

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  Creative Commons Attribution 4.0 International

  •1212 forks in dotnet/android-api-docs•33 stars in dotnet/android-api-docs•4444 issues in dotnet/android-api-docs•00 pull requests in dotnet/android-api-docs•Updated Oct 31, 2026Oct 31, 2026

• dotnet-monitor

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  dotnet/dotnet-monitor’s past year of commit activity
  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#

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  MIT License

  •128128 forks in dotnet/dotnet-monitor•726726 stars in dotnet/dotnet-monitor•129129 issues in dotnet/dotnet-monitor•66 pull requests in dotnet/dotnet-monitor•Updated Oct 31, 2026Oct 31, 2026

• windowsdesktop

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  dotnet/windowsdesktop’s past year of commit activity
  Shell

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  MIT License

  •7373 forks in dotnet/windowsdesktop•212212 stars in dotnet/windowsdesktop•1212 issues in dotnet/windowsdesktop•00 pull requests in dotnet/windowsdesktop•Updated Oct 31, 2026Oct 31, 2026

• AspNetCore.Docs

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  dotnet/AspNetCore.Docs’s past year of commit activity
  Documentation for ASP.NET Core

  docsaspnetcoreaspnet+ 2

  docsaspnetcoreaspnetaspaspnet-core

  C#

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  Creative Commons Attribution 4.0 International

  •25k25k forks in dotnet/AspNetCore.Docs•13k13k stars in dotnet/AspNetCore.Docs•463463 issues in dotnet/AspNetCore.Docs•3434 pull requests in dotnet/AspNetCore.Docs•Updated Oct 31, 2026Oct 31, 2026

• android-libraries

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  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

  •7373 forks in dotnet/android-libraries•320320 stars in dotnet/android-libraries•8888 issues in dotnet/android-libraries•2323 pull requests in dotnet/android-libraries•Updated Oct 31, 2026Oct 31, 2026

• command-line-api

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  dotnet/command-line-api’s past year of commit activity
  Command line parsing, invocation, and rendering of terminal output.

  parserterminalparsing+ 6

  parserterminalparsingcommand-lineposixcompletionscommandlineparsersystem-commandlinedotnet-suggest

  C#

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  MIT License

  •436436 forks in dotnet/command-line-api•3.7k3.7k stars in dotnet/command-line-api•450450 issues in dotnet/command-line-api•4848 pull requests in dotnet/command-line-api•Updated Oct 31, 2026Oct 31, 2026

• maui-labs

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  dotnet/maui-labs’s past year of commit activity
  Experimental and pre-release tools for .NET MAUI

  androidmicrosoftios+ 10

  androidmicrosoftiosmulti-platformmobileaidotnetmcpdesktopuser-interface+ 3

  C#

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  MIT License

  •4242 forks in dotnet/maui-labs•229229 stars in dotnet/maui-labs•9595 issues in dotnet/maui-labs•5959 pull requests in dotnet/maui-labs•Updated Oct 31, 2026Oct 31, 2026

• sourcelink

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  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

  •152152 forks in dotnet/sourcelink•1.4k1.4k stars in dotnet/sourcelink•137137 issues in dotnet/sourcelink•1212 pull requests in dotnet/sourcelink•Updated Oct 31, 2026Oct 31, 2026

• source-build-assets

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  dotnet/source-build-assets’s past year of commit activity
  IL Assembly

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  MIT License

  •7474 forks in dotnet/source-build-assets•5454 stars in dotnet/source-build-assets•88 issues in dotnet/source-build-assets•33 pull requests in dotnet/source-build-assets•Updated Oct 31, 2026Oct 31, 2026

• emsdk

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

  Shell

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  Other

  •822822 forks in dotnet/emsdk•2020 stars in dotnet/emsdk•00 issues in dotnet/emsdk•44 pull requests in dotnet/emsdk•Updated Oct 31, 2026Oct 31, 2026

• templating

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  dotnet/templating’s past year of commit activity
  This repo contains the Template Engine which is used by dotnet new

  dotnetdotnet-template

  dotnetdotnet-template

  400400 forks in dotnet/templating•1.7k1.7k stars in dotnet/templating•8383 issues in dotnet/templating•99 pull requests in dotnet/templating•Updated Oct 31, 2026Oct 31, 2026

• deployment-tools

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  dotnet/deployment-tools’s past year of commit activity
  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

  •7373 forks in dotnet/deployment-tools•212212 stars in dotnet/deployment-tools•3333 issues in dotnet/deployment-tools•44 pull requests in dotnet/deployment-tools•Updated Oct 31, 2026Oct 31, 2026

• maui

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  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

  •2k2k forks in dotnet/maui•23k23k stars in dotnet/maui•1.4k1.4k issues in dotnet/maui•7373 pull requests in dotnet/maui•Updated Oct 31, 2026Oct 31, 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

  •4.4k4.4k forks in dotnet/roslyn•21k21k stars in dotnet/roslyn•6k6k issues in dotnet/roslyn•742742 pull requests in dotnet/roslyn•Updated Oct 31, 2026Oct 31, 2026

• fsharp

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  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

  •885885 forks in dotnet/fsharp•4.3k4.3k stars in dotnet/fsharp•1.1k1.1k issues in dotnet/fsharp•146146 pull requests in dotnet/fsharp•Updated Oct 31, 2026Oct 31, 2026

• wpf

  Public

  dotnet/wpf’s past year of commit activity
  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 in dotnet/wpf•7.7k7.7k stars in dotnet/wpf•1.5k1.5k issues in dotnet/wpf•239239 pull requests in dotnet/wpf•Updated Oct 31, 2026Oct 31, 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

  241241 forks in dotnet/razor•709709 stars in dotnet/razor•00 issues in dotnet/razor•11 pull request in dotnet/razor•Updated Oct 31, 2026Oct 31, 2026

• macios

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  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

  •578578 forks in dotnet/macios•2.9k2.9k stars in dotnet/macios•374374 issues in dotnet/macios•173173 pull requests in dotnet/macios•Updated Oct 31, 2026Oct 31, 2026

• diagnostics

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  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

  •405405 forks in dotnet/diagnostics•1.3k1.3k stars in dotnet/diagnostics•273273 issues in dotnet/diagnostics•4242 pull requests in dotnet/diagnostics•Updated Oct 31, 2026Oct 31, 2026

• arcade

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  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

  •402402 forks in dotnet/arcade•731731 stars in dotnet/arcade•355355 issues in dotnet/arcade•5353 pull requests in dotnet/arcade•Updated Oct 31, 2026Oct 31, 2026

• NuGet.BuildTasks

  Public

  dotnet/NuGet.BuildTasks’s past year of commit activity
  The build tasks used to pick up package content from project.lock.json.

  Shell

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  MIT License

  •6666 forks in dotnet/NuGet.BuildTasks•4747 stars in dotnet/NuGet.BuildTasks•1919 issues in dotnet/NuGet.BuildTasks•11 pull request in dotnet/NuGet.BuildTasks•Updated Oct 31, 2026Oct 31, 2026

• wcf

  Public

  dotnet/wcf’s past year of commit activity
  This repo contains the client-oriented WCF libraries that enable applications built on .NET Core to communicate with WCF services.

  wcfwcf-client

  wcfwcf-client

  C#

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  MIT License

  •576576 forks in dotnet/wcf•1.8k1.8k stars in dotnet/wcf•321321 issues in dotnet/wcf•3434 pull requests in dotnet/wcf•Updated Oct 31, 2026Oct 31, 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 in dotnet/docs•4.8k4.8k stars in dotnet/docs•848848 issues in dotnet/docs•9999 pull requests in dotnet/docs•Updated Oct 31, 2026Oct 31, 2026

• msbuild

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  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#

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  MIT License

  •1.5k1.5k forks in dotnet/msbuild•5.6k5.6k stars in dotnet/msbuild•1.7k1.7k issues in dotnet/msbuild•137137 pull requests in dotnet/msbuild•Updated Oct 31, 2026Oct 31, 2026

• sign

  Public

  dotnet/sign’s past year of commit activity
  Code Signing CLI tool supporting Authenticode, NuGet, VSIX, and ClickOnce

  authenticodecode-signing

  authenticodecode-signing

  C#

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  MIT License

  •119119 forks in dotnet/sign•583583 stars in dotnet/sign•7070 issues in dotnet/sign•88 pull requests in dotnet/sign•Updated Oct 31, 2026Oct 31, 2026