Repositories list

• 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#

  •

  MIT License

  •4.2k4.2k forks•20k20k stars•5.5k5.5k issues•632632 pull requests•Updated Apr 14, 2026Apr 14, 2026

• runtime

  Public
  .NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

  dotnethelp-wantedhacktoberfest

  dotnethelp-wantedhacktoberfest

  C#

  •

  MIT License

  •5.4k5.4k forks•18k18k stars•7.8k7.8k issues•438438 pull requests•Updated Apr 14, 2026Apr 14, 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•934934 issues•6363 pull requests•Updated Apr 14, 2026Apr 14, 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•2.4k2.4k issues•3939 pull requests•Updated Apr 14, 2026Apr 14, 2026

• skills

  Public

  dotnet/skills’s past year of commit activity
  Repository for skills to assist AI coding agents with .NET and C#

  agent-skills

  agent-skills

  C#

  •

  MIT License

  •8787 forks•1.1k1.1k stars•4444 issues•3535 pull requests•Updated Apr 14, 2026Apr 14, 2026

• dotnet-docker

  Public

  dotnet/dotnet-docker’s past year of commit activity
  Official container images for .NET

  Dockerfile

  •

  MIT License

  •2k2k forks•4.8k4.8k stars•117117 issues•77 pull requests•Updated Apr 14, 2026Apr 14, 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

  C#

  •

  MIT License

  •394394 forks•1.7k1.7k stars•210210 issues•1111 pull requests•Updated Apr 14, 2026Apr 14, 2026

• AspNetCore.Docs

  Public

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

  docsaspnetcoreaspnet+ 2

  docsaspnetcoreaspnetaspaspnet-core

  C#

  •

  Creative Commons Attribution 4.0 International

  •25k25k forks•13k13k stars•574574 issues•99 pull requests•Updated Apr 14, 2026Apr 14, 2026

• arcade

  Public

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

  C#

  •

  MIT License

  •384384 forks•718718 stars•418418 issues•4242 pull requests•Updated Apr 14, 2026Apr 14, 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

  •278278 forks•1.1k1.1k stars•133133 issues•5050 pull requests•Updated Apr 14, 2026Apr 14, 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

  •1.2k1.2k forks•3.1k3.1k stars•2.7k2.7k issues•224224 pull requests•Updated Apr 14, 2026Apr 14, 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

  •1.9k1.9k forks•23k23k stars•3.7k3.7k issues•303303 pull requests•Updated Apr 14, 2026Apr 14, 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#

  •

  MIT License

  •567567 forks•2.1k2.1k stars•408408 issues•2626 pull requests•Updated Apr 14, 2026Apr 14, 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#

  •

  MIT License

  •238238 forks•709709 stars•673673 issues•3939 pull requests•Updated Apr 14, 2026Apr 14, 2026

• fsharp

  Public
  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

  •855855 forks•4.3k4.3k stars•1.2k1.2k issues•9494 pull requests•Updated Apr 14, 2026Apr 14, 2026

• diagnostics

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

  C++

  •

  MIT License

  •392392 forks•1.3k1.3k stars•255255 issues•2727 pull requests•Updated Apr 14, 2026Apr 14, 2026

• 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#

  •

  MIT License

  •11k11k forks•38k38k stars•3.6k3.6k issues•252252 pull requests•Updated Apr 14, 2026Apr 14, 2026

• installer

  Public
  .NET SDK Installer

  434434 forks•1.3k1.3k stars•2525 issues•44 pull requests•Updated Apr 13, 2026Apr 13, 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•237237 issues•3939 pull requests•Updated Apr 13, 2026Apr 13, 2026

• performance

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

  F#

  •

  MIT License

  •295295 forks•759759 stars•210210 issues•5454 pull requests•Updated Apr 13, 2026Apr 13, 2026

• workload-versions

  Public
  PowerShell

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  MIT License

  •1616 forks•1313 stars•77 issues•44 pull requests•Updated Apr 13, 2026Apr 13, 2026

• SqlClient

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

  C#

  •

  MIT License

  •327327 forks•960960 stars•229229 issues•8080 pull requests•Updated Apr 13, 2026Apr 13, 2026

• dnceng

  Public
  .NET Engineering Services

  C#

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  MIT License

  •3232 forks•3131 stars•2222 issues•33 pull requests•Updated Apr 13, 2026Apr 13, 2026

• core

  Public
  .NET news, announcements, release notes, and more!

  dotnetdotnet-core

  dotnetdotnet-core

  PowerShell

  •

  MIT License

  •4.9k4.9k forks•22k22k stars•337337 issues•44 pull requests•Updated Apr 13, 2026Apr 13, 2026

• vscode-csharp

  Public
  Official C# support for Visual Studio Code

  c-sharpcsharpdotnet+ 2

  c-sharpcsharpdotnetvscodeomnisharp

  TypeScript

  •

  MIT License

  •748748 forks•3k3k stars•687687 issues•2121 pull requests•Updated Apr 13, 2026Apr 13, 2026

• dotnet-operator-sdk

  Public
  KubeOps is a Kubernetes operator sdk in dotnet. Strongly inspired by kubebuilder.

  kubernetessdkdotnet+ 3

  kubernetessdkdotnetoperatorcrdskubernetes-operator-sdk

  C#

  •

  Apache License 2.0

  •8484 forks•359359 stars•2828 issues•22 pull requests•Updated Apr 13, 2026Apr 13, 2026

• maui-samples

  Public
  Samples for .NET Multi-Platform App UI (.NET MAUI)

  androidwindowsmacos+ 7

  androidwindowsmacosiosdotnethacktoberfestmac-catalystwinui3dotnetmauidotnet-maui

  C#

  •

  MIT License

  •1.5k1.5k forks•3.6k3.6k stars•7474 issues•2424 pull requests•Updated Apr 13, 2026Apr 13, 2026

• dotnet-api-docs

  Public
  .NET API reference documentation (.NET 5+, .NET Core, .NET Framework)

  hacktoberfest

  hacktoberfest

  C#

  •

  Other

  •1.7k1.7k forks•905905 stars•1.5k1.5k issues•9595 pull requests•Updated Apr 13, 2026Apr 13, 2026

• maui-labs

  Public
  Experimental and pre-release tools for .NET MAUI

  androidmicrosoftios+ 10

  androidmicrosoftiosmulti-platformmobileaidotnetmcpdesktopuser-interface+ 3

  C#

  •

  MIT License

  •99 forks•7070 stars•99 issues•1313 pull requests•Updated Apr 13, 2026Apr 13, 2026

• java-interop

  Public
  Java.Interop provides open-source bindings of Java's Java Native Interface (JNI) for use with .NET managed languages such as C#

  javacsharpdotnet+ 2

  javacsharpdotnetinteropjni

  C#

  •

  Other

  •6363 forks•252252 stars•101101 issues•88 pull requests•Updated Apr 13, 2026Apr 13, 2026