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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 38.3k

  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 7637 repositories
  • vscode Public

    Visual Studio Code

    microsoft/vscode’s past year of commit activity
    TypeScript 182,398 MIT 38,343 5,000+ (525 issues need help) 1,227 Updated Mar 7, 2026
  • fluentui-blazor Public

    Microsoft Fluent UI Blazor components library. For use with ASP.NET Core Blazor applications

    microsoft/fluentui-blazor’s past year of commit activity
    C# 4,695 MIT 464 32 6 Updated Mar 7, 2026
  • typescript-go Public

    Staging repo for development of native port of TypeScript

    microsoft/typescript-go’s past year of commit activity
    Go 24,370 Apache-2.0 852 212 (1 issue needs help) 72 Updated Mar 7, 2026
  • winget-pkgs Public

    The Microsoft community Windows Package Manager manifest repository

    microsoft/winget-pkgs’s past year of commit activity
    PowerShell 10,296 MIT 6,274 1,132 376 Updated Mar 7, 2026
  • litebox Public

    A security-focused library OS supporting kernel- and user-mode execution

    microsoft/litebox’s past year of commit activity
    Rust 2,435 MIT 108 71 15 Updated Mar 7, 2026
  • zerotrustassessment Public

    Repository for the Zero Trust Assessment project

    microsoft/zerotrustassessment’s past year of commit activity
    HTML 289 MIT 131 62 18 Updated Mar 7, 2026
  • TypeScript-DOM-lib-generator Public

    Tool for generating dom related TypeScript and JavaScript library files

    microsoft/TypeScript-DOM-lib-generator’s past year of commit activity
    TypeScript 727 Apache-2.0 466 156 42 Updated Mar 7, 2026
  • LocalizedStringKit Public

    Generate .strings files directly from your code

    microsoft/LocalizedStringKit’s past year of commit activity
    Python 291 MIT 12 4 2 Updated Mar 7, 2026
  • microsoft-foundry-for-vscode Public
    microsoft/microsoft-foundry-for-vscode’s past year of commit activity
    61 MIT 55 67 1 Updated Mar 7, 2026
  • AzureLinuxVulnerabilityData Public

    Contains a regularly published and updated vulnerability database for Vulnerability Monitoring.

    microsoft/AzureLinuxVulnerabilityData’s past year of commit activity
    42 MIT 17 0 0 Updated Mar 7, 2026
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