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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 194k 45.8k

  2. TypeScript TypeScript Public

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

    Go 112k 17k

  3. PowerToys PowerToys Public

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

    C 139k 8.7k

  4. terminal terminal Public

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

    C++ 105k 9.7k

  5. semantic-kernel semantic-kernel Public

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

    C# 28.7k 4.8k

Repositories

Showing 10 of 8378 repositories
  • BCApps Public

    Repository for collaboration on Microsoft Dynamics 365 Business Central applications.

    microsoft/BCApps's past year of commit activity
    AL 706 MIT 477 275 522 Updated Oct 18, 2026
  • windows-rs Public

    Rust for Windows

    microsoft/windows-rs's past year of commit activity
    Rust 12,832 Apache-2.0 682 51 0 Updated Oct 18, 2026
  • amplifier-unified Public

    Unified shell for the Amplifier project

    microsoft/amplifier-unified's past year of commit activity
    Python 3 MIT 1 14 5 Updated Oct 18, 2026
  • esm-url-bundler-plugins Public

    Bundler plugins that preserve new URL('./file.js?esm', import.meta.url) semantics after bundling

    microsoft/esm-url-bundler-plugins's past year of commit activity
    TypeScript 1 MIT 2 2 3 Updated Oct 18, 2026
  • BotFramework-WebChat Public

    A highly-customizable web-based client for Azure Bot Services.

    microsoft/BotFramework-WebChat's past year of commit activity
    HTML 1,784 MIT 1,600 468 48 Updated Oct 18, 2026
  • amplifier-bundle-filesystem Public

    Filesystem bundle for the Amplifier project

    microsoft/amplifier-bundle-filesystem's past year of commit activity
    Python 2 MIT 1 0 0 Updated Oct 18, 2026
  • azurelinux Public

    General purpose Linux OS for Azure

    microsoft/azurelinux's past year of commit activity
    Python 5,355 MIT 710 24 226 Updated Oct 18, 2026
  • aspire Public

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

    microsoft/aspire's past year of commit activity
    C# 6,373 MIT 1,015 2,375 (2 issues need help) 280 Updated Oct 18, 2026
  • vscode Public

    Visual Studio Code

    microsoft/vscode's past year of commit activity
    TypeScript 193,797 MIT 45,759 5,000+ (467 issues need help) 2,922 Updated Oct 18, 2026
  • vscode-isort Public

    Import sorting for python using the isort library.

    microsoft/vscode-isort's past year of commit activity
    Python 108 MIT 30 4 4 Updated Oct 18, 2026
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