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Open source projects and samples from Microsoft
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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 182k 38.1k

  2. TypeScript TypeScript Public

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

    TypeScript 108k 13.2k

  3. PowerToys PowerToys Public

    Microsoft PowerToys is a collection of utilities that supercharge productivity and customization on Windows

    C# 130k 7.7k

  4. terminal terminal Public

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

    C++ 102k 9.1k

  5. semantic-kernel semantic-kernel Public

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

    C# 27.3k 4.5k

Repositories

Showing 10 of 7581 repositories
  • vscode Public

    Visual Studio Code

    microsoft/vscode’s past year of commit activity
    TypeScript 181,999 MIT 38,089 5,000+ (529 issues need help) 1,177 Updated Feb 23, 2026
  • mssql-python Public

    Microsoft Python Driver for SQL Server

    microsoft/mssql-python’s past year of commit activity
    Python 372 35 22 16 Updated Feb 23, 2026
  • MIDI Public

    Windows MIDI Services

    microsoft/MIDI’s past year of commit activity
    C++ 536 MIT 56 64 1 Updated Feb 23, 2026
  • PowerToys Public

    Microsoft PowerToys is a collection of utilities that supercharge productivity and customization on Windows

    microsoft/PowerToys’s past year of commit activity
    C# 130,008 MIT 7,722 5,000+ (207 issues need help) 121 Updated Feb 23, 2026
  • industry-apps Public

    Reusable Power Apps, Dynamics 365, and Copilot Studio Agent modules for common industry use cases.

    microsoft/industry-apps’s past year of commit activity
    Python 1 MIT 0 0 3 Updated Feb 23, 2026
  • teams.net Public

    a suite of packages used to build on the Teams Platform.

    microsoft/teams.net’s past year of commit activity
    C# 27 MIT 16 28 25 Updated Feb 23, 2026
  • LightGBM Public

    A fast, distributed, high performance gradient boosting (GBT, GBDT, GBRT, GBM or MART) framework based on decision tree algorithms, used for ranking, classification and many other machine learning tasks.

    microsoft/LightGBM’s past year of commit activity
    C++ 18,101 MIT 3,984 430 (8 issues need help) 51 Updated Feb 23, 2026
  • vscode-copilot-chat Public

    Copilot Chat extension for VS Code

    microsoft/vscode-copilot-chat’s past year of commit activity
    TypeScript 9,498 MIT 1,667 2 183 Updated Feb 23, 2026
  • RecursiveExtractor Public

    RecursiveExtractor is a .NET Standard 2.0 archive extraction Library, and Command Line Tool which can process 7zip, ar, bzip2, deb, gzip, iso, rar, tar, vhd, vhdx, vmdk, wim, xzip, and zip archives and any nested combination of the supported formats.

    microsoft/RecursiveExtractor’s past year of commit activity
    C# 211 MIT 35 18 (2 issues need help) 2 Updated Feb 23, 2026
  • amplifier-bundle-superpowers Public

    Superpowers bundle for the Amplifier project

    microsoft/amplifier-bundle-superpowers’s past year of commit activity
    Python 1 MIT 2 0 1 Updated Feb 23, 2026
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