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Open source projects and samples from Microsoft
README.md

Open Source at Microsoft

Get Involved

Right now, open communities are building amazing software together, and there are excellent "good first issue" opportunities, if you're looking to get involved.

Visit opensource.microsoft.com to learn more!

Microsoft projects adopt the Microsoft Open Source Code of Conduct. For more information see the Code of Conduct FAQ.

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  1. vscode vscode Public

    Visual Studio Code

    TypeScript 180k 37k

  2. TypeScript TypeScript Public

    TypeScript is a superset of JavaScript that compiles to clean JavaScript output.

    TypeScript 107k 13.2k

  3. PowerToys PowerToys Public

    Microsoft PowerToys is a collection of utilities that help you customize Windows and streamline everyday tasks

    C# 127k 7.5k

  4. terminal terminal Public

    The new Windows Terminal and the original Windows console host, all in the same place!

    C++ 101k 9k

  5. semantic-kernel semantic-kernel Public

    Integrate cutting-edge LLM technology quickly and easily into your apps

    C# 26.9k 4.4k

Repositories

Showing 10 of 7450 repositories
  • winget-pkgs Public

    The Microsoft community Windows Package Manager manifest repository

    microsoft/winget-pkgs’s past year of commit activity
    PowerShell 10,032 MIT 5,783 1,105 1,032 Updated Dec 21, 2025
  • durabletask-dotnet Public

    Out-of-process .NET SDK for the Durable Task Framework

    microsoft/durabletask-dotnet’s past year of commit activity
    C# 173 MIT 53 45 31 Updated Dec 21, 2025
  • azure-pipelines-tasks Public

    Tasks for Azure Pipelines

    microsoft/azure-pipelines-tasks’s past year of commit activity
    TypeScript 3,604 MIT 2,679 274 (23 issues need help) 256 Updated Dec 21, 2025
  • vscode Public

    Visual Studio Code

    microsoft/vscode’s past year of commit activity
    TypeScript 179,870 MIT 37,036 5,000+ (563 issues need help) 917 Updated Dec 21, 2025
  • WSL Public

    Windows Subsystem for Linux

    microsoft/WSL’s past year of commit activity
    C++ 30,652 MIT 1,564 948 22 Updated Dec 21, 2025
  • FlowQuery Public

    A declarative query language for data processing pipelines.

    microsoft/FlowQuery’s past year of commit activity
    TypeScript 2 MIT 0 0 1 Updated Dec 21, 2025
  • Microsoft-Fabric-tools-workload Public

    A Fabric Workload that adds different tools as items.

    microsoft/Microsoft-Fabric-tools-workload’s past year of commit activity
    TypeScript 14 9 0 0 Updated Dec 21, 2025
  • vcpkg Public

    C++ Library Manager for Windows, Linux, and MacOS

    microsoft/vcpkg’s past year of commit activity
    CMake 26,307 MIT 7,252 1,059 292 Updated Dec 21, 2025
  • fabric-cicd Public

    Jumpstart CICD deployments in Microsoft Fabric

    microsoft/fabric-cicd’s past year of commit activity
    Python 213 MIT 104 26 6 Updated Dec 21, 2025
  • CoseSignTool Public

    CoseSignTool is a platform-agnostic command line application to COSE sign files and validate COSE signatures. CoseHandler is a library of functions for COSE signing and validation for use by .NET applications.

    microsoft/CoseSignTool’s past year of commit activity
    C# 51 MIT 19 3 6 Updated Dec 21, 2025
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