Repositories list

• 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•2.4k2.4k issues•3636 pull requests•Updated Apr 18, 2026Apr 18, 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•305305 pull requests•Updated Apr 18, 2026Apr 18, 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

  •566566 forks•2.1k2.1k stars•404404 issues•2929 pull requests•Updated Apr 18, 2026Apr 18, 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•443443 pull requests•Updated Apr 18, 2026Apr 18, 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

  •392392 forks•1.3k1.3k stars•255255 issues•2525 pull requests•Updated Apr 18, 2026Apr 18, 2026

• Silk.NET

  Public
  The high-speed OpenGL, OpenCL, OpenAL, OpenXR, GLFW, SDL, Vulkan, Assimp, WebGPU, and DirectX bindings library your mother warned you about.

  audioopenglcsharp+ 14

  audioopenglcsharpnativegraphicsvulkanopenclglfwgame-developmentopenal+ 7

  C#

  •

  MIT License

  •452452 forks•5k5k stars•8282 issues•1818 pull requests•Updated Apr 18, 2026Apr 18, 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

  •856856 forks•4.3k4.3k stars•1.2k1.2k issues•9191 pull requests•Updated Apr 18, 2026Apr 18, 2026

• workload-versions

  Public

  dotnet/workload-versions’s past year of commit activity
  PowerShell

  •

  MIT License

  •1717 forks•1313 stars•77 issues•77 pull requests•Updated Apr 18, 2026Apr 18, 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

  •280280 forks•1.1k1.1k stars•135135 issues•5757 pull requests•Updated Apr 18, 2026Apr 18, 2026

• windowsdesktop

  Public
  Shell

  •

  MIT License

  •6464 forks•208208 stars•1313 issues•00 pull requests•Updated Apr 18, 2026Apr 18, 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#

  •

  MIT License

  •4.2k4.2k forks•20k20k stars•5.5k5.5k issues•651651 pull requests•Updated Apr 18, 2026Apr 18, 2026

• nbgv

  Public

  dotnet/nbgv’s past year of commit activity
  The repo behind the dotnet/nbgv GitHub Action

  TypeScript

  •

  MIT License

  •88 forks•5959 stars•22 issues•1010 pull requests•Updated Apr 18, 2026Apr 18, 2026

• skills

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

  agent-skills

  agent-skills

  C#

  •

  MIT License

  •9797 forks•1.3k1.3k stars•4242 issues•3434 pull requests•Updated Apr 18, 2026Apr 18, 2026

• macios

  Public
  .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•2.8k2.8k stars•446446 issues•4848 pull requests•Updated Apr 18, 2026Apr 18, 2026

• razor

  Public
  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•672672 issues•3333 pull requests•Updated Apr 18, 2026Apr 18, 2026

• sourcelink

  Public

  dotnet/sourcelink’s past year of commit activity
  Source Link enables a great source debugging experience for your users, by adding source control metadata to your built assets

  C#

  •

  MIT License

  •136136 forks•1.3k1.3k stars•134134 issues•1111 pull requests•Updated Apr 18, 2026Apr 18, 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•1212 pull requests•Updated Apr 18, 2026Apr 18, 2026

• arcade

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

  C#

  •

  MIT License

  •384384 forks•719719 stars•416416 issues•4343 pull requests•Updated Apr 18, 2026Apr 18, 2026

• 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•718718 issues•8787 pull requests•Updated Apr 18, 2026Apr 18, 2026

• wpf

  Public
  WPF is a .NET Core UI framework for building Windows desktop applications.

  dotnetwpfhelp-wanted

  dotnetwpfhelp-wanted

  C#

  •

  MIT License

  •1.3k1.3k forks•7.6k7.6k stars•1.4k1.4k issues•212212 pull requests•Updated Apr 18, 2026Apr 18, 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•1.4k1.4k issues•9999 pull requests•Updated Apr 18, 2026Apr 18, 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•234234 pull requests•Updated Apr 18, 2026Apr 18, 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•2727 issues•22 pull requests•Updated Apr 18, 2026Apr 18, 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•33 pull requests•Updated Apr 18, 2026Apr 18, 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•4040 pull requests•Updated Apr 18, 2026Apr 18, 2026

• maui-labs

  Public
  Experimental and pre-release tools for .NET MAUI

  androidmicrosoftios+ 10

  androidmicrosoftiosmulti-platformmobileaidotnetmcpdesktopuser-interface+ 3

  C#

  •

  MIT License

  •99 forks•7676 stars•99 issues•99 pull requests•Updated Apr 18, 2026Apr 18, 2026

• interactive-window

  Public
  Visual Studio Interactive Window

  editorinteractivescripting+ 2

  editorinteractivescriptingvisualstudiointeractivewindow

  C#

  •

  MIT License

  •3838 forks•7373 stars•1717 issues•11 pull request•Updated Apr 18, 2026Apr 18, 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 18, 2026Apr 18, 2026

• ef6tools

  Public

  dotnet/ef6tools’s past year of commit activity
  This is the codebase for the Entity Framework 6 and LINQ-To-SQL designers.

  C#

  •

  MIT License

  •1919 forks•3737 stars•1111 issues•22 pull requests•Updated Apr 17, 2026Apr 17, 2026

• java-interop

  Public

  dotnet/java-interop’s past year of commit activity
  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•254254 stars•101101 issues•99 pull requests•Updated Apr 17, 2026Apr 17, 2026