Repositories list

• 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•1.1k1.1k issues•109109 pull requests•Updated Aug 27, 2026Aug 27, 2026

• source-indexer

  Public
  This repo contains the code for building http://source.dot.net

  C#

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  MIT License

  •4646 forks•5555 stars•1919 issues•88 pull requests•Updated Aug 27, 2026Aug 27, 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

  •576576 forks•2.9k2.9k stars•430430 issues•3838 pull requests•Updated Aug 27, 2026Aug 27, 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

  •2k2k forks•23k23k stars•3.7k3.7k issues•105105 pull requests•Updated Aug 27, 2026Aug 27, 2026

• SqlClient

  Public
  Microsoft.Data.SqlClient provides database connectivity to SQL Server for .NET applications.

  C#

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  MIT License

  •336336 forks•987987 stars•239239 issues•6868 pull requests•Updated Aug 27, 2026Aug 27, 2026

• dotnet

  Public
  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

  •336336 forks•1.2k1.2k stars•141141 issues•3030 pull requests•Updated Aug 27, 2026Aug 27, 2026

• skills

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

  agent-skills

  agent-skills

  C#

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  MIT License

  •400400 forks•5.3k5.3k stars•6868 issues•1212 pull requests•Updated Aug 27, 2026Aug 27, 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•190190 pull requests•Updated Aug 27, 2026Aug 27, 2026

• roslyn-analyzers

  Public

  dotnet/roslyn-analyzers’s past year of commit activity
  hacktoberfest

  hacktoberfest

  478478 forks•1.7k1.7k stars•1.1k1.1k issues•44 pull requests•Updated Aug 27, 2026Aug 27, 2026

• msbuild-api-docs

  Public
  C#

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  Creative Commons Attribution 4.0 International

  •2222 forks•99 stars•00 issues•22 pull requests•Updated Aug 27, 2026Aug 27, 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#

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  MIT License

  •11k11k forks•38k38k stars•3.8k3.8k issues•352352 pull requests•Updated Aug 27, 2026Aug 27, 2026

• performance

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

  F#

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  MIT License

  •299299 forks•773773 stars•212212 issues•5656 pull requests•Updated Aug 27, 2026Aug 27, 2026

• skills-data

  Public
  MIT License

  •33 forks•11 star•11 issue•11 pull request•Updated Aug 27, 2026Aug 27, 2026

• arcade

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

  C#

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  MIT License

  •396396 forks•728728 stars•351351 issues•5757 pull requests•Updated Aug 27, 2026Aug 27, 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

  •578578 forks•2.1k2.1k stars•302302 issues•2828 pull requests•Updated Aug 27, 2026Aug 27, 2026

• iot

  Public

  dotnet/iot’s past year of commit activity
  This repo includes .NET Core implementations for various IoT boards, chips, displays and PCBs.

  C#

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  MIT License

  •629629 forks•2.4k2.4k stars•7373 issues•1919 pull requests•Updated Aug 27, 2026Aug 27, 2026

• docs-mobile

  Public
  This repository contains documentation for .NET for Android.

  mobilecsharpdotnet

  mobilecsharpdotnet

  Creative Commons Attribution 4.0 International

  •99 forks•44 stars•44 issues•33 pull requests•Updated Aug 27, 2026Aug 27, 2026

• docs-maui

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

  csharpdotnet

  csharpdotnet

  Creative Commons Attribution 4.0 International

  •263263 forks•281281 stars•162162 issues•1414 pull requests•Updated Aug 27, 2026Aug 27, 2026

• docs-desktop

  Public
  This repository contains .NET documentation related to Windows Forms (winforms) and Windows Presentation Foundation (WPF).

  csharpvisual-basicwpf+ 1

  csharpvisual-basicwpfwinforms

  C#

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  Creative Commons Attribution 4.0 International

  •192192 forks•234234 stars•4343 issues•33 pull requests•Updated Aug 27, 2026Aug 27, 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•529529 issues•1010 pull requests•Updated Aug 27, 2026Aug 27, 2026

• docs

  Public
  This repository contains .NET Documentation.

  csharpfsharpvisual-basic+ 3

  csharpfsharpvisual-basicdotnetdotnet-corehacktoberfest

  Creative Commons Attribution 4.0 International

  •6.1k6.1k forks•4.8k4.8k stars•856856 issues•6868 pull requests•Updated Aug 27, 2026Aug 27, 2026

• android-libraries

  Public
  .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

  •7272 forks•317317 stars•8989 issues•2525 pull requests•Updated Aug 27, 2026Aug 27, 2026

• arcade-services

  Public
  Home to .NET's dependency flow system & tooling

  infrastructuredotnetdependencies+ 2

  infrastructuredotnetdependenciesengineering-platformsdepedency-tracking

  C#

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  MIT License

  •8686 forks•8686 stars•168168 issues•88 pull requests•Updated Aug 27, 2026Aug 27, 2026

• dotnet-api-docs

  Public

  dotnet/dotnet-api-docs’s past year of commit activity
  .NET API reference documentation (.NET 8+)

  hacktoberfest

  hacktoberfest

  C#

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  Other

  •1.7k1.7k forks•944944 stars•1.6k1.6k issues•106106 pull requests•Updated Aug 27, 2026Aug 27, 2026

• workload-versions

  Public
  Shell

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  MIT License

  •2222 forks•1414 stars•1111 issues•66 pull requests•Updated Aug 27, 2026Aug 27, 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•597597 issues•5555 pull requests•Updated Aug 27, 2026Aug 27, 2026

• dnceng

  Public
  .NET Engineering Services

  C#

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  MIT License

  •3838 forks•3131 stars•1717 issues•55 pull requests•Updated Aug 27, 2026Aug 27, 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

  •5.6k5.6k forks•18k18k stars•7.1k7.1k issues•547547 pull requests•Updated Aug 27, 2026Aug 27, 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#

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  MIT License

  •1.4k1.4k forks•5.5k5.5k stars•1.6k1.6k issues•109109 pull requests•Updated Aug 27, 2026Aug 27, 2026

• machinelearning

  Public
  ML.NET is an open source and cross-platform machine learning framework for .NET.

  machine-learningalgorithmsdotnet+ 1

  machine-learningalgorithmsdotnetml

  C#

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  MIT License

  •1.9k1.9k forks•9.4k9.4k stars•977977 issues•2525 pull requests•Updated Aug 27, 2026Aug 27, 2026