Repositories list

• 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•3737 pull requests•Updated Apr 21, 2026Apr 21, 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

  •280280 forks•1.1k1.1k stars•134134 issues•5757 pull requests•Updated Apr 21, 2026Apr 21, 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

  •237237 forks•709709 stars•676676 issues•3737 pull requests•Updated Apr 21, 2026Apr 21, 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

  •5.4k5.4k forks•18k18k stars•7.8k7.8k issues•440440 pull requests•Updated Apr 21, 2026Apr 21, 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•262262 pull requests•Updated Apr 21, 2026Apr 21, 2026

• dotnet-monitor

  Public

  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#

  •

  MIT License

  •122122 forks•707707 stars•126126 issues•55 pull requests•Updated Apr 21, 2026Apr 21, 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

  •4.2k4.2k forks•20k20k stars•5.5k5.5k issues•654654 pull requests•Updated Apr 21, 2026Apr 21, 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

  •564564 forks•2.9k2.9k stars•446446 issues•4141 pull requests•Updated Apr 21, 2026Apr 21, 2026

• maui-labs

  Public

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

  androidmicrosoftios+ 10

  androidmicrosoftiosmulti-platformmobileaidotnetmcpdesktopuser-interface+ 3

  C#

  •

  MIT License

  •99 forks•8080 stars•88 issues•1111 pull requests•Updated Apr 20, 2026Apr 20, 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

  •566566 forks•2.1k2.1k stars•403403 issues•2626 pull requests•Updated Apr 20, 2026Apr 20, 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•302302 pull requests•Updated Apr 20, 2026Apr 20, 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

  •750750 forks•3k3k stars•688688 issues•1919 pull requests•Updated Apr 20, 2026Apr 20, 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•941941 issues•6565 pull requests•Updated Apr 20, 2026Apr 20, 2026

• csharplang

  Public

  dotnet/csharplang’s past year of commit activity
  The official repo for the design of the C# programming language

  csharplanguage-design

  csharplanguage-design

  C#

  •1.1k1.1k forks•13k13k stars•237237 issues•4040 pull requests•Updated Apr 20, 2026Apr 20, 2026

• ef6

  Public
  This is the codebase for Entity Framework 6 (previously maintained at https://entityframework.codeplex.com). Entity Framework Core is maintained at https://gith…

  ormdatabaseentity-framework+ 3

  ormdatabaseentity-frameworkef6dotnet-frameworkentity-framework-6

  C#

  •

  MIT License

  •553553 forks•1.4k1.4k stars•22 issues•00 pull requests•Updated Apr 20, 2026Apr 20, 2026

• vscode-dotnet-runtime

  Public

  dotnet/vscode-dotnet-runtime’s past year of commit activity
  VSCode Extension for Installing .NET via VS Code

  TypeScript

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  MIT License

  •419419 forks•208208 stars•664664 issues•2929 pull requests•Updated Apr 20, 2026Apr 20, 2026

• SqlClient

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

  C#

  •

  MIT License

  •328328 forks•966966 stars•228228 issues•8080 pull requests•Updated Apr 20, 2026Apr 20, 2026

• arcade

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

  C#

  •

  MIT License

  •384384 forks•720720 stars•421421 issues•3939 pull requests•Updated Apr 20, 2026Apr 20, 2026

• Nerdbank.Streams

  Public

  dotnet/Nerdbank.Streams’s past year of commit activity
  Specialized .NET Streams and pipes for full duplex in-proc communication, web sockets, and multiplexing

  C#

  •

  MIT License

  •6969 forks•706706 stars•44 issues•1414 pull requests•Updated Apr 20, 2026Apr 20, 2026

• Scaffolding

  Public
  Code generators to speed up development.

  C#

  •

  MIT License

  •242242 forks•806806 stars•240240 issues•1313 pull requests•Updated Apr 20, 2026Apr 20, 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•231231 pull requests•Updated Apr 20, 2026Apr 20, 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•115115 issues•77 pull requests•Updated Apr 20, 2026Apr 20, 2026

• msbuild

  Public
  The Microsoft Build Engine (MSBuild) is the build platform for .NET and Visual Studio.

  microsoftvisual-studiobuild+ 3

  microsoftvisual-studiobuildmsbuildhelp-wantedhacktoberfest

  C#

  •

  MIT License

  •1.4k1.4k forks•5.5k5.5k stars•1.5k1.5k issues•101101 pull requests•Updated Apr 20, 2026Apr 20, 2026

• Open-XML-SDK

  Public
  Open XML SDK by Microsoft

  officedocxpptx+ 1

  officedocxpptxopenxml-format

  C#

  •

  MIT License

  •590590 forks•4.5k4.5k stars•9292 issues•2525 pull requests•Updated Apr 20, 2026Apr 20, 2026

• performance

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

  F#

  •

  MIT License

  •295295 forks•761761 stars•209209 issues•5252 pull requests•Updated Apr 20, 2026Apr 20, 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

  •856856 forks•4.3k4.3k stars•1.2k1.2k issues•8585 pull requests•Updated Apr 20, 2026Apr 20, 2026

• AspNetCore.Docs

  Public
  Documentation for ASP.NET Core

  docsaspnetcoreaspnet+ 2

  docsaspnetcoreaspnetaspaspnet-core

  C#

  •

  Creative Commons Attribution 4.0 International

  •25k25k forks•13k13k stars•575575 issues•1212 pull requests•Updated Apr 20, 2026Apr 20, 2026

• installer

  Public
  .NET SDK Installer

  434434 forks•1.3k1.3k stars•2323 issues•22 pull requests•Updated Apr 20, 2026Apr 20, 2026

• arcade-validation

  Public
  Testing and validation scenarios for https://github.com/dotnet/arcade

  PowerShell

  •

  MIT License

  •3535 forks•1919 stars•00 issues•11 pull request•Updated Apr 20, 2026Apr 20, 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

  •863863 forks•3.1k3.1k stars•210210 issues•2626 pull requests•Updated Apr 20, 2026Apr 20, 2026