Repositories list

• winforms

  Public
  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•721721 issues•9393 pull requests•Updated Jun 5, 2026Jun 5, 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•2.4k2.4k issues•168168 pull requests•Updated Jun 5, 2026Jun 5, 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

  •568568 forks•2.1k2.1k stars•327327 issues•3838 pull requests•Updated Jun 5, 2026Jun 5, 2026

• skills

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

  agent-skills

  agent-skills

  C#

  •

  MIT License

  •242242 forks•3.3k3.3k stars•4848 issues•3838 pull requests•Updated Jun 5, 2026Jun 5, 2026

• skills-data

  Public
  MIT License

  •00 forks•00 stars•00 issues•00 pull requests•Updated Jun 5, 2026Jun 5, 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•435435 pull requests•Updated Jun 5, 2026Jun 5, 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•20k20k stars•5.5k5.5k issues•715715 pull requests•Updated Jun 5, 2026Jun 5, 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

  •300300 forks•1.1k1.1k stars•144144 issues•4040 pull requests•Updated Jun 5, 2026Jun 5, 2026

• command-line-api

  Public
  Command line parsing, invocation, and rendering of terminal output.

  parserterminalparsing+ 10

  parserterminalparsingcommand-lineposixdotnet-coredotnet-standardvt100hacktoberfestcompletions+ 3

  C#

  •

  MIT License

  •421421 forks•3.7k3.7k stars•442442 issues•3737 pull requests•Updated Jun 5, 2026Jun 5, 2026

• arcade

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

  C#

  •

  MIT License

  •390390 forks•724724 stars•351351 issues•4242 pull requests•Updated Jun 5, 2026Jun 5, 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•7.7k7.7k stars•1.4k1.4k issues•217217 pull requests•Updated Jun 5, 2026Jun 5, 2026

• windowsdesktop

  Public
  Shell

  •

  MIT License

  •6767 forks•208208 stars•1313 issues•22 pull requests•Updated Jun 5, 2026Jun 5, 2026

• sourcelink

  Public
  Source Link enables a great source debugging experience for your users, by adding source control metadata to your built assets

  C#

  •

  MIT License

  •137137 forks•1.3k1.3k stars•137137 issues•88 pull requests•Updated Jun 5, 2026Jun 5, 2026

• diagnostics

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

  C++

  •

  MIT License

  •398398 forks•1.3k1.3k stars•260260 issues•2525 pull requests•Updated Jun 5, 2026Jun 5, 2026

• emsdk

  Public
  Emscripten SDK

  Python

  •

  Other

  •807807 forks•1818 stars•00 issues•44 pull requests•Updated Jun 5, 2026Jun 5, 2026

• templating

  Public
  This repo contains the Template Engine which is used by dotnet new

  dotnetdotnet-template

  dotnetdotnet-template

  397397 forks•1.7k1.7k stars•8686 issues•66 pull requests•Updated Jun 5, 2026Jun 5, 2026

• deployment-tools

  Public
  This repo contains the code to build the .NET deployment tools and installers for all supported platforms, as well as the sources to .NET deployment tools.

  C#

  •

  MIT License

  •6969 forks•211211 stars•3232 issues•44 pull requests•Updated Jun 5, 2026Jun 5, 2026

• source-build-assets

  Public
  C#

  •

  MIT License

  •7171 forks•5252 stars•1010 issues•33 pull requests•Updated Jun 5, 2026Jun 5, 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•3.8k3.8k issues•232232 pull requests•Updated Jun 5, 2026Jun 5, 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•316316 pull requests•Updated Jun 5, 2026Jun 5, 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

  •567567 forks•2.9k2.9k stars•459459 issues•4343 pull requests•Updated Jun 5, 2026Jun 5, 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

  •860860 forks•4.3k4.3k stars•1.1k1.1k issues•106106 pull requests•Updated Jun 5, 2026Jun 5, 2026

• workload-versions

  Public
  Shell

  •

  MIT License

  •1818 forks•1313 stars•1111 issues•1010 pull requests•Updated Jun 5, 2026Jun 5, 2026

• NuGet.BuildTasks

  Public
  The build tasks used to pick up package content from project.lock.json.

  PowerShell

  •

  MIT License

  •6262 forks•4747 stars•1919 issues•11 pull request•Updated Jun 5, 2026Jun 5, 2026

• wcf

  Public
  This repo contains the client-oriented WCF libraries that enable applications built on .NET Core to communicate with WCF services.

  wcfwcf-client

  wcfwcf-client

  C#

  •

  MIT License

  •573573 forks•1.8k1.8k stars•318318 issues•3434 pull requests•Updated Jun 5, 2026Jun 5, 2026

• Scaffolding

  Public
  Code generators to speed up development.

  C#

  •

  MIT License

  •243243 forks•808808 stars•207207 issues•1010 pull requests•Updated Jun 5, 2026Jun 5, 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•4141 pull requests•Updated Jun 5, 2026Jun 5, 2026

• dotnet-docker

  Public
  Official container images for .NET

  Dockerfile

  •

  MIT License

  •2k2k forks•4.9k4.9k stars•119119 issues•55 pull requests•Updated Jun 5, 2026Jun 5, 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•8181 pull requests•Updated Jun 5, 2026Jun 5, 2026

• xdt

  Public
  XDT is Microsoft's Xml Document Transformation library.

  C#

  •

  MIT License

  •3939 forks•6363 stars•33 issues•66 pull requests•Updated Jun 5, 2026Jun 5, 2026