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.NET Platform

Home of the open source .NET platform

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  1. runtime runtime Public

    .NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

    C# 17.4k 5.3k

  2. roslyn roslyn Public

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

    C# 20.2k 4.2k

  3. aspnetcore aspnetcore Public

    ASP.NET Core is a cross-platform .NET framework for building modern cloud-based web applications on Windows, Mac, or Linux.

    C# 37.6k 10.6k

  4. winforms winforms Public

    Windows Forms is a .NET UI framework for building Windows desktop applications.

    C# 4.7k 1.1k

  5. docs docs Public

    This repository contains .NET Documentation.

    4.6k 6.1k

  6. aspire aspire Public

    Aspire is the tool for code-first, extensible, observable dev and deploy.

    C# 5.4k 778

Repositories

Showing 10 of 277 repositories
  • roslyn Public

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

    dotnet/roslyn’s past year of commit activity
    C# 20,170 MIT 4,218 5,000+ (637 issues need help) 612 Updated Jan 23, 2026
  • runtime Public

    .NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

    dotnet/runtime’s past year of commit activity
    C# 17,432 MIT 5,315 5,000+ (431 issues need help) 337 Updated Jan 23, 2026
  • fsharp Public

    The F# compiler, F# core library, F# language service, and F# tooling integration for Visual Studio

    dotnet/fsharp’s past year of commit activity
    F# 4,237 MIT 847 1,259 (56 issues need help) 70 Updated Jan 23, 2026
  • aspire Public

    Aspire is the tool for code-first, extensible, observable dev and deploy.

    dotnet/aspire’s past year of commit activity
    C# 5,355 MIT 778 1,435 (6 issues need help) 84 Updated Jan 23, 2026
  • dotnet Public

    Home of .NET's Virtual Monolithic Repository which includes all the code needed to build the .NET SDK.

    dotnet/dotnet’s past year of commit activity
    C# 909 MIT 235 124 32 Updated Jan 23, 2026
  • sdk Public

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

    dotnet/sdk’s past year of commit activity
    C# 3,045 MIT 1,193 2,665 (25 issues need help) 181 Updated Jan 23, 2026
  • performance Public

    This repo contains benchmarks used for testing the performance of all .NET Runtimes

    dotnet/performance’s past year of commit activity
    F# 754 MIT 287 205 (8 issues need help) 66 Updated Jan 23, 2026
  • maui Public

    .NET MAUI is the .NET Multi-platform App UI, a framework for building native device applications spanning mobile, tablet, and desktop.

    dotnet/maui’s past year of commit activity
    C# 23,155 MIT 1,906 3,814 (5 issues need help) 606 Updated Jan 23, 2026
  • winforms Public

    Windows Forms is a .NET UI framework for building Windows desktop applications.

    dotnet/winforms’s past year of commit activity
    C# 4,744 MIT 1,083 704 (101 issues need help) 63 Updated Jan 23, 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#

    dotnet/macios’s past year of commit activity
    C# 2,814 554 461 (15 issues need help) 35 Updated Jan 23, 2026
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