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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 183k 38.7k

  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# 131k 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# 27.5k 4.5k

Repositories

Showing 10 of 7688 repositories
  • vscode Public

    Visual Studio Code

    microsoft/vscode’s past year of commit activity
    TypeScript 182,903 MIT 38,652 5,000+ (522 issues need help) 1,314 Updated Mar 21, 2026
  • winget-pkgs Public

    The Microsoft community Windows Package Manager manifest repository

    microsoft/winget-pkgs’s past year of commit activity
    PowerShell 10,371 MIT 6,419 1,147 448 Updated Mar 21, 2026
  • durabletask-js Public

    A Durable Task JavaScript SDK compatible with Azure Durable Task Scheduler

    microsoft/durabletask-js’s past year of commit activity
    TypeScript 9 MIT 10 20 11 Updated Mar 21, 2026
  • onnxruntime-genai Public

    Generative AI extensions for onnxruntime

    microsoft/onnxruntime-genai’s past year of commit activity
    C++ 986 MIT 266 129 25 Updated Mar 21, 2026
  • navcontainerhelper Public

    Official Microsoft repository for BcContainerHelper, a PowerShell module, which makes it easier to work with Business Central Containers on Docker.

    microsoft/navcontainerhelper’s past year of commit activity
    PowerShell 442 MIT 262 47 (4 issues need help) 9 Updated Mar 21, 2026
  • quicreach Public

    A 'ping' equivalent tool for QUIC.

    microsoft/quicreach’s past year of commit activity
    C++ 140 MIT 34 1 (1 issue needs help) 0 Updated Mar 21, 2026
  • fluentui Public

    Fluent UI web represents a collection of utilities, React components, and web components for building web applications.

    microsoft/fluentui’s past year of commit activity
    TypeScript 19,881 2,876 391 (5 issues need help) 280 Updated Mar 21, 2026
  • botframework-webchat-adapter-azure-communication-chat Public

    WebChat Adapter to use Azure Communication Services Chat with WebChat

    microsoft/botframework-webchat-adapter-azure-communication-chat’s past year of commit activity
    TypeScript 3 MIT 6 0 13 Updated Mar 21, 2026
  • semantic-kernel Public

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

    microsoft/semantic-kernel’s past year of commit activity
    C# 27,517 MIT 4,516 397 106 Updated Mar 21, 2026
  • CsWinRT Public

    C# language projection for the Windows Runtime

    microsoft/CsWinRT’s past year of commit activity
    C# 629 MIT 123 217 28 Updated Mar 21, 2026
View all repositories

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