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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 180k 37k

  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# 127k 7.5k

  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# 26.9k 4.4k

Repositories

Showing 10 of 7446 repositories
  • vscode-pull-request-github Public

    GitHub Pull Requests for Visual Studio Code

    microsoft/vscode-pull-request-github’s past year of commit activity
    TypeScript 2,509 MIT 688 221 (1 issue needs help) 38 Updated Dec 18, 2025
  • AzureTRE Public

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

    microsoft/AzureTRE’s past year of commit activity
    Python 218 MIT 172 282 (5 issues need help) 21 Updated Dec 18, 2025
  • go-crypto-winnative Public

    Go crypto backend for Windows using CNG

    microsoft/go-crypto-winnative’s past year of commit activity
    Go 40 MIT 5 2 2 Updated Dec 18, 2025
  • kiota-dotnet Public

    Abstractions library for the Kiota generated SDKs in dotnet

    microsoft/kiota-dotnet’s past year of commit activity
    C# 70 MIT 47 21 (2 issues need help) 2 Updated Dec 18, 2025
  • ai-dev-gallery Public

    An open-source project for Windows developers to learn how to add AI with local models and APIs to Windows apps.

    microsoft/ai-dev-gallery’s past year of commit activity
    C# 1,349 MIT 187 63 (2 issues need help) 8 Updated Dec 18, 2025
  • durabletask-dotnet Public

    Out-of-process .NET SDK for the Durable Task Framework

    microsoft/durabletask-dotnet’s past year of commit activity
    C# 173 MIT 53 50 30 Updated Dec 18, 2025
  • codeql Public Forked from github/codeql

    CodeQL: the libraries and queries that power security researchers around the world, as well as code scanning in GitHub Advanced Security

    microsoft/codeql’s past year of commit activity
    C# 19 MIT 2,125 14 14 Updated Dec 18, 2025
  • Dynamics365Commerce.Solutions Public

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

    microsoft/Dynamics365Commerce.Solutions’s past year of commit activity
    SCSS 75 38 26 3 Updated Dec 18, 2025
  • go-crypto-darwin Public

    macOS Crypto bindings for Go

    microsoft/go-crypto-darwin’s past year of commit activity
    Go 8 MIT 3 4 3 Updated Dec 18, 2025
  • 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 Dec 18, 2025
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