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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 38.4k

  2. TypeScript TypeScript Public

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

    TypeScript 108k 13.3k

  3. PowerToys PowerToys Public

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

    C# 130k 7.8k

  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# 27.4k 4.5k

Repositories

Showing 10 of 7636 repositories
  • lisa Public

    LISA is developed and maintained by Microsoft, to empower Linux validation.

    microsoft/lisa’s past year of commit activity
    Python 323 MIT 227 36 (3 issues need help) 31 Updated Mar 9, 2026
  • WindowsAppSDK Public

    The Windows App SDK empowers all Windows desktop apps with modern Windows UI, APIs, and platform features, including back-compat support, shipped via NuGet.

    microsoft/WindowsAppSDK’s past year of commit activity
    C++ 4,445 MIT 421 321 (12 issues need help) 66 Updated Mar 9, 2026
  • Fabric-IQ-and-Real-Time-Intelligence-assets Public

    This repository contains various assets like demos, accelerators, decks and more created by Microsoft FTEs

    microsoft/Fabric-IQ-and-Real-Time-Intelligence-assets’s past year of commit activity
    1 1 2 1 Updated Mar 9, 2026
  • vscode-docs Public

    Public documentation for Visual Studio Code

    microsoft/vscode-docs’s past year of commit activity
    Markdown 6,404 5,546 92 (1 issue needs help) 18 Updated Mar 9, 2026
  • injectorppforrust Public

    Injectorpp is a powerful tool designed to facilitate the writing of unit tests without the need to introduce traits solely for testing purposes. It streamlines the testing process by providing a seamless and efficient way to abstract dependencies, ensuring that your code remains clean and maintainable.

    microsoft/injectorppforrust’s past year of commit activity
    Rust 391 MIT 15 21 (2 issues need help) 0 Updated Mar 9, 2026
  • CsWinRT Public

    C# language projection for the Windows Runtime

    microsoft/CsWinRT’s past year of commit activity
    C# 627 MIT 123 219 27 Updated Mar 9, 2026
  • azdo-extension-team-randomizer Public

    Team Member Randomizer Extension for Azure DevOps

    microsoft/azdo-extension-team-randomizer’s past year of commit activity
    TypeScript 3 MIT 1 0 0 Updated Mar 9, 2026
  • typescript-go Public

    Staging repo for development of native port of TypeScript

    microsoft/typescript-go’s past year of commit activity
    Go 24,387 Apache-2.0 853 216 (1 issue needs help) 75 Updated Mar 9, 2026
  • vscode-copilot-chat Public

    Copilot Chat extension for VS Code

    microsoft/vscode-copilot-chat’s past year of commit activity
    TypeScript 9,572 MIT 1,707 0 218 Updated Mar 9, 2026
  • vscode-python-environments Public

    VS Code extension for Python environment and package management

    microsoft/vscode-python-environments’s past year of commit activity
    TypeScript 100 MIT 39 128 (17 issues need help) 14 Updated Mar 9, 2026
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