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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 181k 37.7k

  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 help you customize Windows and streamline everyday tasks

    C# 129k 7.6k

  4. terminal terminal Public

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

    C++ 102k 9k

  5. semantic-kernel semantic-kernel Public

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

    C# 27.1k 4.4k

Repositories

Showing 10 of 7532 repositories
  • playwright-python Public

    Python version of the Playwright testing and automation library.

    microsoft/playwright-python’s past year of commit activity
    Python 14,207 Apache-2.0 1,122 58 12 Updated Jan 30, 2026
  • vscode-cmake-tools Public

    CMake Tools provides a robust, convenient workflow for CMake projects in VS Code. It simplifies configurations with CMake presets, supports IntelliSense and built-in debugging for CMake scripts, and offers configurable tasks. Its customizable interface allows for efficient project control, while also simplifying test execution and monitoring.

    microsoft/vscode-cmake-tools’s past year of commit activity
    TypeScript 1,644 MIT 519 508 (41 issues need help) 36 Updated Jan 30, 2026
  • vscode Public

    Visual Studio Code

    microsoft/vscode’s past year of commit activity
    TypeScript 181,190 MIT 37,657 5,000+ (539 issues need help) 1,014 Updated Jan 30, 2026
  • fluentui-system-icons Public

    Fluent System Icons are a collection of familiar, friendly and modern icons from Microsoft.

    microsoft/fluentui-system-icons’s past year of commit activity
    HTML 10,330 MIT 762 183 (1 issue needs help) 25 Updated Jan 30, 2026
  • aspire.dev Public

    The official website for all things aspire.dev.

    microsoft/aspire.dev’s past year of commit activity
    MDX 80 MIT 42 36 7 Updated Jan 30, 2026
  • PowerToys Public

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

    microsoft/PowerToys’s past year of commit activity
    C# 128,591 MIT 7,647 5,000+ (212 issues need help) 82 Updated Jan 30, 2026
  • protool Public

    A tool for working with Apple provisioning profiles

    microsoft/protool’s past year of commit activity
    Python 12 MIT 11 1 1 Updated Jan 30, 2026
  • react-native-windows Public

    A framework for building native Windows apps with React.

    microsoft/react-native-windows’s past year of commit activity
    C++ 17,161 1,190 702 (12 issues need help) 59 Updated Jan 30, 2026
  • BCApps Public

    Repository for collaboration on Microsoft Dynamics 365 Business Central applications.

    microsoft/BCApps’s past year of commit activity
    AL 526 MIT 318 70 65 Updated Jan 30, 2026
  • b2c-to-meeid-migration-tool Public

    Azure AD B2C to Microsoft Entra external ID migration tool

    microsoft/b2c-to-meeid-migration-tool’s past year of commit activity
    C# 12 MIT 7 4 1 Updated Jan 30, 2026
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