Repositories list

• roslyn

  Public
  The Roslyn .NET compiler provides C# and Visual Basic languages with rich code analysis APIs.

  visual-studiocsharproslyn+ 2visual-basichacktoberfest

  C#

  •

  MIT License

  •4.2k•20k•5.4k•630•Updated Jan 11, 2026Jan 11, 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

  C#

  •

  MIT License

  •230•895•130•40•Updated Jan 11, 2026Jan 11, 2026

• sdk

  Public

  dotnet/sdk’s past year of commit activity
  Core functionality needed to create .NET Core projects, that is shared between Visual Studio and CLI

  clivisual-studiosdk+ 1dotnet

  C#

  •

  MIT License

  •1.2k•3k•2.6k•159•Updated Jan 11, 2026Jan 11, 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+ 10multi-platformmobiledotnetdesktopuser-interfacehacktoberfestmaui+ 3

  C#

  •

  MIT License

  •1.9k•23k•3.8k•587•Updated Jan 11, 2026Jan 11, 2026

• aspire

  Public

  dotnet/aspire’s past year of commit activity
  Aspire is the tool for code-first, extensible, observable dev and deploy.

  pythoncloudtypescript+ 2dotnethacktoberfest

  C#

  •

  MIT License

  •770•5.3k•1.4k•170•Updated Jan 11, 2026Jan 11, 2026

• dotNext

  Public

  dotnet/dotNext’s past year of commit activity
  Next generation API for .NET

  reflectioncsharpasync+ 16dotnetdotnetcoreraftclustermetaprogrammingconcurrencydelegate+ 9

  C#

  •

  MIT License

  •144•1.9k•1•0•Updated Jan 11, 2026Jan 11, 2026

• AspNetDocs

  Public

  dotnet/AspNetDocs’s past year of commit activity
  Documentation for ASP.NET 4.x

  C#

  •

  Creative Commons Attribution 4.0 International

  •1.2k•354•1•1•Updated Jan 11, 2026Jan 11, 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

  C#

  •

  MIT License

  •5.3k•17k•8.2k•319•Updated Jan 11, 2026Jan 11, 2026

• nbgv

  Public

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

  TypeScript

  •

  MIT License

  •9•56•1•12•Updated Jan 11, 2026Jan 11, 2026

• windowsdesktop

  Public

  dotnet/windowsdesktop’s past year of commit activity
  PowerShell

  •

  MIT License

  •65•206•13•1•Updated Jan 11, 2026Jan 11, 2026

• razor

  Public

  dotnet/razor’s past year of commit activity
  Compiler and tooling experience for Razor ASP.NET Core apps in Visual Studio, Visual Studio for Mac, and VS Code.

  aspnethacktoberfest

  C#

  •

  MIT License

  •232•704•689•22•Updated Jan 11, 2026Jan 11, 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+ 2windows-formshacktoberfest

  C#

  •

  MIT License

  •1.1k•4.7k•699•62•Updated Jan 11, 2026Jan 11, 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

  •387•1.3k•299•26•Updated Jan 11, 2026Jan 11, 2026

• emsdk

  Public

  dotnet/emsdk’s past year of commit activity
  Emscripten SDK

  PowerShell

  •

  Other

  •784•15•0•2•Updated Jan 11, 2026Jan 11, 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+ 5fsharpfunctional-programmingdotnetnetcoreintellisense

  F#

  •

  MIT License

  •842•4.2k•1.3k•85•Updated Jan 11, 2026Jan 11, 2026

• source-build-reference-packages

  Public

  dotnet/source-build-reference-packages’s past year of commit activity
  C#

  •

  MIT License

  •68•49•13•1•Updated Jan 11, 2026Jan 11, 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+ 1hacktoberfest

  C#

  •

  MIT License

  •11k•38k•3.4k•188•Updated Jan 11, 2026Jan 11, 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

  C#

  •

  MIT License

  •393•1.7k•205•8•Updated Jan 11, 2026Jan 11, 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+ 4csharpdotnettvoswatchos

  C#

  •

  Other

  •554•2.8k•462•30•Updated Jan 11, 2026Jan 11, 2026

• workload-versions

  Public

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

  •

  MIT License

  •15•11•5•8•Updated Jan 11, 2026Jan 11, 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

  •120•699•122•16•Updated Jan 11, 2026Jan 11, 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

  •286•754•204•66•Updated Jan 10, 2026Jan 10, 2026

• docs

  Public

  dotnet/docs’s past year of commit activity
  This repository contains .NET Documentation.

  csharpfsharpvisual-basic+ 3dotnetdotnet-corehacktoberfest

  Creative Commons Attribution 4.0 International

  •6.1k•4.6k•1.1k•59•Updated Jan 10, 2026Jan 10, 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

  •376•702•462•36•Updated Jan 10, 2026Jan 10, 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

  •319•957•247•33•Updated Jan 10, 2026Jan 10, 2026

• AspNetCore.Docs

  Public

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

  docsaspnetcoreaspnet+ 2aspaspnet-core

  C#

  •

  Creative Commons Attribution 4.0 International

  •25k•13k•621•24•Updated Jan 10, 2026Jan 10, 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

  •564•2.1k•358•29•Updated Jan 10, 2026Jan 10, 2026

• source-indexer

  Public

  dotnet/source-indexer’s past year of commit activity
  This repo contains the code for building http://source.dot.net

  C#

  •

  MIT License

  •39•52•15•2•Updated Jan 10, 2026Jan 10, 2026

• icu

  Public

  dotnet/icu’s past year of commit activity
  Fork of https://github.com/microsoft/icu for dotnet on WebAssembly

  C++

  •

  Other

  •50•13•0•4•Updated Jan 10, 2026Jan 10, 2026

• NuGet.BuildTasks

  Public

  dotnet/NuGet.BuildTasks’s past year of commit activity
  The build tasks used to pick up package content from project.lock.json.

  PowerShell

  •

  MIT License

  •62•46•19•2•Updated Jan 10, 2026Jan 10, 2026