Repositories list

• maui-labs

  Public
  Experimental and pre-release tools for .NET MAUI

  androidmicrosoftios+ 10

  androidmicrosoftiosmulti-platformmobileaidotnetmcpdesktopuser-interface+ 3

  C#

  •

  MIT License

  •1919 forks•176176 stars•5858 issues•3737 pull requests•Updated Jul 1, 2026Jul 1, 2026

• versions

  Public
  This repo contains information about the various component versions that ship with .NET Core.

  MIT License

  •156156 forks•151151 stars•00 issues•00 pull requests•Updated Jul 1, 2026Jul 1, 2026

• AspNetCore.Docs

  Public
  Documentation for ASP.NET Core

  docsaspnetcoreaspnet+ 2

  docsaspnetcoreaspnetaspaspnet-core

  C#

  •

  Creative Commons Attribution 4.0 International

  •25k25k forks•13k13k stars•566566 issues•77 pull requests•Updated Jul 1, 2026Jul 1, 2026

• roslyn

  Public
  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•21k21k stars•5.5k5.5k issues•703703 pull requests•Updated Jul 1, 2026Jul 1, 2026

• android

  Public
  .NET for Android provides open-source bindings of the Android SDK for use with .NET managed languages such as C#

  C#

  •

  MIT License

  •571571 forks•2.1k2.1k stars•438438 issues•2626 pull requests•Updated Jul 1, 2026Jul 1, 2026

• sdk

  Public
  Core functionality needed to create .NET Core projects, that is shared between Visual Studio and CLI

  clivisual-studiosdk+ 1

  clivisual-studiosdkdotnet

  C#

  •

  MIT License

  •1.3k1.3k forks•3.2k3.2k stars•2.3k2.3k issues•167167 pull requests•Updated Jul 1, 2026Jul 1, 2026

• runtime

  Public
  .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•7.8k7.8k issues•447447 pull requests•Updated Jul 1, 2026Jul 1, 2026

• EntityFramework.Docs

  Public
  Documentation for Entity Framework Core and Entity Framework 6

  documentationormentity-framework+ 2

  documentationormentity-frameworkentity-framework-coreentity-framework-6

  Mermaid

  •

  Creative Commons Attribution 4.0 International

  •2k2k forks•1.7k1.7k stars•550550 issues•22 pull requests•Updated Jul 1, 2026Jul 1, 2026

• docs

  Public
  This repository contains .NET Documentation.

  csharpfsharpvisual-basic+ 3

  csharpfsharpvisual-basicdotnetdotnet-corehacktoberfest

  Creative Commons Attribution 4.0 International

  •6.1k6.1k forks•4.7k4.7k stars•921921 issues•5656 pull requests•Updated Jul 1, 2026Jul 1, 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

  •312312 forks•1.2k1.2k stars•143143 issues•4444 pull requests•Updated Jul 1, 2026Jul 1, 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•349349 pull requests•Updated Jul 1, 2026Jul 1, 2026

• vscode-csharp

  Public
  Official C# support for Visual Studio Code

  c-sharpcsharpdotnet+ 2

  c-sharpcsharpdotnetvscodeomnisharp

  TypeScript

  •

  MIT License

  •724724 forks•3.1k3.1k stars•751751 issues•2525 pull requests•Updated Jul 1, 2026Jul 1, 2026

• docker-tools

  Public
  This is a repo to house some common tools for our various docker repos.

  C#

  •

  MIT License

  •6464 forks•177177 stars•107107 issues•1616 pull requests•Updated Jul 1, 2026Jul 1, 2026

• maui

  Public
  .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•177177 pull requests•Updated Jul 1, 2026Jul 1, 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

  •571571 forks•2.9k2.9k stars•452452 issues•3535 pull requests•Updated Jul 1, 2026Jul 1, 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#

  •

  MIT License

  •872872 forks•3.2k3.2k stars•221221 issues•3333 pull requests•Updated Jul 1, 2026Jul 1, 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•654654 issues•6868 pull requests•Updated Jul 1, 2026Jul 1, 2026

• efcore

  Public
  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•3636 pull requests•Updated Jul 1, 2026Jul 1, 2026

• skills-data

  Public
  MIT License

  •00 forks•11 star•11 issue•11 pull request•Updated Jul 1, 2026Jul 1, 2026

• skills

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

  agent-skills

  agent-skills

  C#

  •

  MIT License

  •267267 forks•3.6k3.6k stars•4747 issues•2626 pull requests•Updated Jul 1, 2026Jul 1, 2026

• Scaffolding

  Public
  Code generators to speed up development.

  C#

  •

  MIT License

  •243243 forks•809809 stars•208208 issues•66 pull requests•Updated Jul 1, 2026Jul 1, 2026

• dnceng

  Public
  .NET Engineering Services

  C#

  •

  MIT License

  •3434 forks•3131 stars•3131 issues•22 pull requests•Updated Jul 1, 2026Jul 1, 2026

• docs-tools

  Public
  This repo contains GitHub Actions and other tools that are designed to be invoked on DocFx repositories.

  C#

  •

  Creative Commons Attribution 4.0 International

  •3939 forks•2525 stars•3232 issues•44 pull requests•Updated Jul 1, 2026Jul 1, 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•246246 issues•4141 pull requests•Updated Jul 1, 2026Jul 1, 2026

• workload-versions

  Public
  Shell

  •

  MIT License

  •1919 forks•1414 stars•1111 issues•66 pull requests•Updated Jul 1, 2026Jul 1, 2026

• csharpstandard

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

  C#

  •

  Creative Commons Attribution 4.0 International

  •9595 forks•812812 stars•255255 issues•5656 pull requests•Updated Jul 1, 2026Jul 1, 2026

• diagnostics

  Public
  This repository contains the source code for various .NET Core runtime diagnostic tools and documents.

  C++

  •

  MIT License

  •399399 forks•1.3k1.3k stars•267267 issues•2626 pull requests•Updated Jul 1, 2026Jul 1, 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

  •868868 forks•4.3k4.3k stars•1.1k1.1k issues•108108 pull requests•Updated Jul 1, 2026Jul 1, 2026

• performance

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

  F#

  •

  MIT License

  •298298 forks•768768 stars•209209 issues•5050 pull requests•Updated Jul 1, 2026Jul 1, 2026

• dotnet-docker

  Public
  Official container images for .NET

  Dockerfile

  •

  MIT License

  •2k2k forks•4.9k4.9k stars•118118 issues•66 pull requests•Updated Jul 1, 2026Jul 1, 2026