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

  •4.2k•20k•5.5k•622•Updated Apr 2, 2026Apr 2, 2026

• razor

  Public
  Compiler and tooling experience for Razor ASP.NET Core apps in Visual Studio and VS Code.

  aspnethacktoberfest

  aspnethacktoberfest

  C#

  •

  MIT License

  •237•707•668•32•Updated Apr 2, 2026Apr 2, 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

  •1.2k•3.1k•2.7k•211•Updated Apr 2, 2026Apr 2, 2026

• windowsdesktop

  Public
  PowerShell

  •

  MIT License

  •64•208•14•1•Updated Apr 2, 2026Apr 2, 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

  •396•1.7k•210•13•Updated Apr 2, 2026Apr 2, 2026

• emsdk

  Public
  Emscripten SDK

  PowerShell

  •

  Other

  •801•17•0•7•Updated Apr 2, 2026Apr 2, 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

  •5.4k•18k•7.8k•451•Updated Apr 2, 2026Apr 2, 2026

• wcf

  Public

  dotnet/wcf’s past year of commit activity
  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

  •573•1.8k•311•28•Updated Apr 2, 2026Apr 2, 2026

• core

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

  dotnetdotnet-core

  dotnetdotnet-core

  PowerShell

  •

  MIT License

  •4.9k•22k•337•3•Updated Apr 2, 2026Apr 2, 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

  •270•1k•136•57•Updated Apr 2, 2026Apr 2, 2026

• dnceng

  Public

  dotnet/dnceng’s past year of commit activity
  .NET Engineering Services

  C#

  •

  MIT License

  •31•31•20•4•Updated Apr 2, 2026Apr 2, 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

  •3.4k•15k•2.4k•41•Updated Apr 2, 2026Apr 2, 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

  •1.1k•4.8k•718•88•Updated Apr 2, 2026Apr 2, 2026

• BenchmarkDotNet

  Public

  dotnet/BenchmarkDotNet’s past year of commit activity
  Powerful .NET library for benchmarking

  c-sharpbenchmarkingbenchmark+ 4

  c-sharpbenchmarkingbenchmarkperformancecsharpdotnethacktoberfest

  C#

  •

  MIT License

  •1k•11k•147•35•Updated Apr 2, 2026Apr 2, 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

  •65•805•42•40•Updated Apr 2, 2026Apr 2, 2026

• performance

  Public

  dotnet/performance’s past year of commit activity
  This repo contains benchmarks used for testing the performance of all .NET Runtimes

  F#

  •

  MIT License

  •295•759•209•56•Updated Apr 2, 2026Apr 2, 2026

• WatsonWebserver

  Public

  dotnet/WatsonWebserver’s past year of commit activity
  Watson is the fastest, easiest way to build scalable RESTful web servers and services in C#.

  httpcloudweb+ 17

  httpcloudwebreststreamserverwatsonnugethttpsrest-api+ 10

  C#

  •

  MIT License

  •100•479•0•0•Updated Apr 2, 2026Apr 2, 2026

• nbgv

  Public

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

  TypeScript

  •

  MIT License

  •8•59•2•6•Updated Apr 2, 2026Apr 2, 2026

• csharplang

  Public
  The official repo for the design of the C# programming language

  csharplanguage-design

  csharplanguage-design

  C#

  •1.1k•13k•237•38•Updated Apr 2, 2026Apr 2, 2026

• SqlClient

  Public

  dotnet/SqlClient’s past year of commit activity
  Microsoft.Data.SqlClient provides database connectivity to SQL Server for .NET applications.

  C#

  •

  MIT License

  •323•961•231•69•Updated Apr 2, 2026Apr 2, 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

  •6.1k•4.7k•940•62•Updated Apr 2, 2026Apr 2, 2026

• wpf

  Public

  dotnet/wpf’s past year of commit activity
  WPF is a .NET Core UI framework for building Windows desktop applications.

  dotnetwpfhelp-wanted

  dotnetwpfhelp-wanted

  C#

  •

  MIT License

  •1.3k•7.6k•1.4k•213•Updated Apr 2, 2026Apr 2, 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

  •135•1.3k•133•9•Updated Apr 2, 2026Apr 2, 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

  •852•4.3k•1.2k•97•Updated Apr 2, 2026Apr 2, 2026

• docs-mobile

  Public
  This repository contains documentation for .NET for Android.

  mobilecsharpdotnet

  mobilecsharpdotnet

  Creative Commons Attribution 4.0 International

  •1•3•4•1•Updated Apr 2, 2026Apr 2, 2026

• maui

  Public

  dotnet/maui’s past year of commit activity
  .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

  •1.9k•23k•3.9k•346•Updated Apr 2, 2026Apr 2, 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

  •558•2.8k•452•37•Updated Apr 2, 2026Apr 2, 2026

• source-build-reference-packages

  Public
  C#

  •

  MIT License

  •69•50•13•6•Updated Apr 2, 2026Apr 2, 2026

• dotnet-monitor

  Public
  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

  •121•705•126•15•Updated Apr 2, 2026Apr 2, 2026

• diagnostics

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

  C++

  •

  MIT License

  •388•1.3k•254•30•Updated Apr 2, 2026Apr 2, 2026