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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 37.4k

  2. TypeScript TypeScript Public

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

    TypeScript 107k 13.2k

  3. PowerToys PowerToys Public

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

    C# 128k 7.6k

  4. terminal terminal Public

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

    C++ 101k 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 7496 repositories
  • winget-pkgs Public

    The Microsoft community Windows Package Manager manifest repository

    microsoft/winget-pkgs’s past year of commit activity
    PowerShell 10,138 MIT 5,926 1,068 394 Updated Jan 18, 2026
  • AzureTRE Public

    An accelerator to help organizations build Trusted Research Environments on Azure.

    microsoft/AzureTRE’s past year of commit activity
    Python 221 MIT 174 287 (5 issues need help) 27 Updated Jan 18, 2026
  • testfx Public

    This repository holds the source code of Microsoft.Testing.Platform (MTP), a lightweight alternative to VSTest, as well as MSTest adapter and framework.

    microsoft/testfx’s past year of commit activity
    C# 976 MIT 291 204 17 Updated Jan 18, 2026
  • PSRule Public

    Validate infrastructure as code (IaC) and objects using PowerShell rules.

    microsoft/PSRule’s past year of commit activity
    C# 452 MIT 60 65 (2 issues need help) 6 Updated Jan 18, 2026
  • AzureLinuxVulnerabilityData Public

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

    microsoft/AzureLinuxVulnerabilityData’s past year of commit activity
    42 MIT 18 0 0 Updated Jan 18, 2026
  • Dynamics365Commerce.InStore Public

    Repository for hosting the Dynamics 365 Commerce in store Samples

    microsoft/Dynamics365Commerce.InStore’s past year of commit activity
    TypeScript 69 48 0 1 Updated Jan 18, 2026
  • Dynamics365Commerce.Solutions Public

    Repository for hosting the Dynamics 365 Commerce end to end sample solutions

    microsoft/Dynamics365Commerce.Solutions’s past year of commit activity
    75 38 26 3 Updated Jan 18, 2026
  • fluentui-charting-contrib Public

    Contributor tools and guides for fluentui charting library

    microsoft/fluentui-charting-contrib’s past year of commit activity
    TypeScript 23 MIT 12 2 22 Updated Jan 18, 2026
  • vscode Public

    Visual Studio Code

    microsoft/vscode’s past year of commit activity
    TypeScript 180,792 MIT 37,447 5,000+ (541 issues need help) 982 Updated Jan 18, 2026
  • HeurAgenix Public
    microsoft/HeurAgenix’s past year of commit activity
    Python 72 MIT 18 1 0 Updated Jan 18, 2026
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