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#

  •

  MIT License

  •1.1k1.1k forks•4.8k4.8k stars•748748 issues•120120 pull requests•Updated Aug 5, 2026Aug 5, 2026

• Scaffolding

  Public
  Code generators to speed up development.

  C#

  •

  MIT License

  •245245 forks•813813 stars•208208 issues•99 pull requests•Updated Aug 5, 2026Aug 5, 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#

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  MIT License

  •4.3k4.3k forks•21k21k stars•5.6k5.6k issues•718718 pull requests•Updated Aug 5, 2026Aug 5, 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•873873 issues•5959 pull requests•Updated Aug 5, 2026Aug 5, 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++

  •

  MIT License

  •401401 forks•1.3k1.3k stars•273273 issues•2626 pull requests•Updated Aug 5, 2026Aug 5, 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

  •393393 forks•725725 stars•355355 issues•4545 pull requests•Updated Aug 5, 2026Aug 5, 2026

• designs

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

  C#

  •

  Other

  •174174 forks•944944 stars•00 issues•2525 pull requests•Updated Aug 5, 2026Aug 5, 2026

• sign

  Public
  Code Signing CLI tool supporting Authenticode, NuGet, VSIX, and ClickOnce

  authenticodecode-signing

  authenticodecode-signing

  C#

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  MIT License

  •114114 forks•580580 stars•6969 issues•1111 pull requests•Updated Aug 5, 2026Aug 5, 2026

• skills

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

  agent-skills

  agent-skills

  C#

  •

  MIT License

  •366366 forks•5k5k stars•6060 issues•1818 pull requests•Updated Aug 5, 2026Aug 5, 2026

• skills-data

  Public
  MIT License

  •33 forks•11 star•11 issue•11 pull request•Updated Aug 5, 2026Aug 5, 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

  •5.5k5.5k forks•18k18k stars•7.1k7.1k issues•516516 pull requests•Updated Aug 5, 2026Aug 5, 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

  •1.3k1.3k forks•3.2k3.2k stars•2.3k2.3k issues•150150 pull requests•Updated Aug 5, 2026Aug 5, 2026

• vscode-csharp

  Public

  dotnet/vscode-csharp’s past year of commit activity
  Official C# support for Visual Studio Code

  c-sharpcsharpdotnet+ 2

  c-sharpcsharpdotnetvscodeomnisharp

  TypeScript

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  MIT License

  •729729 forks•3.1k3.1k stars•676676 issues•2424 pull requests•Updated Aug 5, 2026Aug 5, 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

  •2k2k forks•23k23k stars•3.9k3.9k issues•9393 pull requests•Updated Aug 5, 2026Aug 5, 2026

• AspNetCore.Docs

  Public
  Documentation for ASP.NET Core

  docsaspnetcoreaspnet+ 2

  docsaspnetcoreaspnetaspaspnet-core

  C#

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  Creative Commons Attribution 4.0 International

  •25k25k forks•13k13k stars•552552 issues•1414 pull requests•Updated Aug 5, 2026Aug 5, 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

  •576576 forks•2.9k2.9k stars•428428 issues•3434 pull requests•Updated Aug 5, 2026Aug 5, 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

  •6767 forks•179179 stars•101101 issues•99 pull requests•Updated Aug 5, 2026Aug 5, 2026

• dnceng

  Public
  .NET Engineering Services

  C#

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  MIT License

  •3737 forks•3131 stars•1616 issues•00 pull requests•Updated Aug 5, 2026Aug 5, 2026

• windowsdesktop

  Public
  Shell

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  MIT License

  •7070 forks•211211 stars•1313 issues•00 pull requests•Updated Aug 5, 2026Aug 5, 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

  •872872 forks•4.3k4.3k stars•1.2k1.2k issues•107107 pull requests•Updated Aug 5, 2026Aug 5, 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•3.7k3.7k issues•335335 pull requests•Updated Aug 5, 2026Aug 5, 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

  •331331 forks•1.2k1.2k stars•139139 issues•4545 pull requests•Updated Aug 5, 2026Aug 5, 2026

• BenchmarkDotNet

  Public
  Powerful .NET library for benchmarking

  c-sharpbenchmarkingbenchmark+ 4

  c-sharpbenchmarkingbenchmarkperformancecsharpdotnethacktoberfest

  C#

  •

  MIT License

  •1.1k1.1k forks•11k11k stars•135135 issues•3535 pull requests•Updated Aug 5, 2026Aug 5, 2026

• roslynator

  Public
  Roslynator is a set of code analysis tools for C#, powered by Roslyn.

  visual-studiocsharproslyn+ 1

  visual-studiocsharproslyndotnet

  C#

  •

  Other

  •290290 forks•3.5k3.5k stars•214214 issues•1414 pull requests•Updated Aug 5, 2026Aug 5, 2026

• installer

  Public

  dotnet/installer’s past year of commit activity
  .NET SDK Installer

  437437 forks•1.3k1.3k stars•2323 issues•11 pull request•Updated Aug 5, 2026Aug 5, 2026

• templating

  Public

  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•1.7k1.7k stars•8383 issues•88 pull requests•Updated Aug 5, 2026Aug 5, 2026

• source-build-assets

  Public

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

  •

  MIT License

  •7474 forks•5454 stars•77 issues•00 pull requests•Updated Aug 5, 2026Aug 5, 2026

• dotnet-api-docs

  Public
  .NET API reference documentation (.NET 8+)

  hacktoberfest

  hacktoberfest

  C#

  •

  Other

  •1.7k1.7k forks•938938 stars•1.6k1.6k issues•103103 pull requests•Updated Aug 5, 2026Aug 5, 2026

• core

  Public

  dotnet/core’s past year of commit activity
  .NET news, announcements, release notes, and more!

  dotnetdotnet-core

  dotnetdotnet-core

  PowerShell

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  MIT License

  •4.9k4.9k forks•22k22k stars•345345 issues•2222 pull requests•Updated Aug 5, 2026Aug 5, 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•2.3k2.3k issues•3232 pull requests•Updated Aug 5, 2026Aug 5, 2026