Repositories list

• 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•18k•8k•386•Updated Feb 19, 2026Feb 19, 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•3.9k•652•Updated Feb 19, 2026Feb 19, 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#

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  MIT License

  •851•4.3k•1.2k•89•Updated Feb 19, 2026Feb 19, 2026

• msbuild

  Public

  dotnet/msbuild’s past year of commit activity
  The Microsoft Build Engine (MSBuild) is the build platform for .NET and Visual Studio.

  microsoftvisual-studiobuild+ 3msbuildhelp-wantedhacktoberfest

  C#

  •

  MIT License

  •1.4k•5.5k•1.4k•85•Updated Feb 19, 2026Feb 19, 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+ 6entity-frameworkdotnet-coredotnet-standardhacktoberfestdotnet-frameworkaspnet-product

  C#

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  MIT License

  •3.4k•15k•2.4k•46•Updated Feb 19, 2026Feb 19, 2026

• arcade-services

  Public

  dotnet/arcade-services’s past year of commit activity
  Home to .NET's dependency flow system & tooling

  infrastructuredotnetdependencies+ 2engineering-platformsdepedency-tracking

  C#

  •

  MIT License

  •78•80•171•6•Updated Feb 19, 2026Feb 19, 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

  •568•2.1k•376•35•Updated Feb 19, 2026Feb 19, 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#

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  Other

  •557•2.8k•457•36•Updated Feb 19, 2026Feb 19, 2026

• Scaffolding

  Public

  dotnet/Scaffolding’s past year of commit activity
  Code generators to speed up development.

  C#

  •

  MIT License

  •240•802•286•8•Updated Feb 19, 2026Feb 19, 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

  •247•967•127•60•Updated Feb 19, 2026Feb 19, 2026

• BenchmarkDotNet

  Public

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

  c-sharpbenchmarkingbenchmark+ 4performancecsharpdotnethacktoberfest

  C#

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  MIT License

  •1k•11k•159•37•Updated Feb 19, 2026Feb 19, 2026

• reactive

  Public

  dotnet/reactive’s past year of commit activity
  The Reactive Extensions for .NET

  C#

  •

  MIT License

  •784•7.1k•152•25•Updated Feb 19, 2026Feb 19, 2026

• SqlClient

  Public

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

  C#

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  MIT License

  •323•958•236•33•Updated Feb 19, 2026Feb 19, 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

  •292•758•206•68•Updated Feb 19, 2026Feb 19, 2026

• emsdk

  Public

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

  PowerShell

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  Other

  •790•18•0•0•Updated Feb 19, 2026Feb 19, 2026

• icu

  Public

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

  C++

  •

  Other

  •51•14•0•1•Updated Feb 19, 2026Feb 19, 2026

• sdk

  Public
  Core functionality needed to create .NET Core projects, that is shared between Visual Studio and CLI

  clivisual-studiosdk+ 1dotnet

  C#

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  MIT License

  •1.2k•3.1k•2.7k•185•Updated Feb 19, 2026Feb 19, 2026

• arcade-validation

  Public

  dotnet/arcade-validation’s past year of commit activity
  Testing and validation scenarios for https://github.com/dotnet/arcade

  PowerShell

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  MIT License

  •35•19•0•3•Updated Feb 19, 2026Feb 19, 2026

• dotnet-api-docs

  Public

  dotnet/dotnet-api-docs’s past year of commit activity
  .NET API reference documentation (.NET 5+, .NET Core, .NET Framework)

  hacktoberfest

  C#

  •

  Other

  •1.7k•891•1.5k•96•Updated Feb 19, 2026Feb 19, 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+ 2visual-basichacktoberfest

  C#

  •

  MIT License

  •4.2k•20k•5.4k•636•Updated Feb 19, 2026Feb 19, 2026

• arcade

  Public

  dotnet/arcade’s past year of commit activity
  Tools that provide common build infrastructure for multiple .NET Foundation projects.

  C#

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  MIT License

  •380•710•414•33•Updated Feb 19, 2026Feb 19, 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

  •806•5.5k•1.5k•107•Updated Feb 19, 2026Feb 19, 2026

• dev-proxy

  Public

  dotnet/dev-proxy’s past year of commit activity
  Simulate API failures, throttling, and chaos — all from your command line.

  httpdevelopmentrest+ 12proxymock-serverdevtoolsopenapideveloper-toolsapi-testinghacktoberfest+ 5

  C#

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  MIT License

  •80•771•52•7•Updated Feb 19, 2026Feb 19, 2026

• docfx

  Public

  dotnet/docfx’s past year of commit activity
  Static site generator for .NET API documentation.

  apimarkdownstatic-site-generator+ 3documentationcsharpdotnet

  C#

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  MIT License

  •886•4.4k•395•28•Updated Feb 19, 2026Feb 19, 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

  C#

  •

  MIT License

  •1.3k•7.6k•1.4k•203•Updated Feb 19, 2026Feb 19, 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•3.5k•188•Updated Feb 19, 2026Feb 19, 2026

• core

  Public

  dotnet/core’s past year of commit activity
  .NET news, announcements, release notes, and more!

  dotnetdotnet-core

  PowerShell

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  MIT License

  •5k•22k•331•14•Updated Feb 19, 2026Feb 19, 2026

• maintenance-packages

  Public

  dotnet/maintenance-packages’s past year of commit activity
  Repository that hosts packages from the .NET platform whose original home/branch is not building any longer.

  C#

  •

  MIT License

  •13•42•10•3•Updated Feb 19, 2026Feb 19, 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

  •121•702•124•11•Updated Feb 19, 2026Feb 19, 2026

• nbgv

  Public

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

  TypeScript

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  MIT License

  •9•58•2•12•Updated Feb 19, 2026Feb 19, 2026