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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 178k 35.6k

  2. TypeScript TypeScript Public

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

    TypeScript 106k 13.1k

  3. PowerToys PowerToys Public

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

    C# 125k 7.4k

  4. terminal terminal Public

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

    C++ 101k 8.9k

  5. semantic-kernel semantic-kernel Public

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

    C# 26.5k 4.3k

Repositories

Showing 10 of 7217 repositories
  • Dynamics365Commerce.InStore Public

    Repository for hosting the Dynamics 365 Commerce in store Samples

    microsoft/Dynamics365Commerce.InStore’s past year of commit activity
    TypeScript 65 49 0 1 Updated Oct 21, 2025
  • CCF Public

    Confidential Consortium Framework

    microsoft/CCF’s past year of commit activity
    C++ 836 Apache-2.0 234 98 11 Updated Oct 21, 2025
  • PSRule.Monitor Public

    Log PSRule analysis results to Azure Monitor.

    microsoft/PSRule.Monitor’s past year of commit activity
    C# 13 MIT 8 0 6 Updated Oct 21, 2025
  • service-fabric-services-and-actors-dotnet Public

    Reliable Services and Reliable Actors are Service Fabric application frameworks for building highly-scalable distributed cloud applications.

    microsoft/service-fabric-services-and-actors-dotnet’s past year of commit activity
    C# 272 113 37 4 Updated Oct 21, 2025
  • Agents-M365Copilot Public

    Microsoft 365 Copilot APIs Client Libraries

    microsoft/Agents-M365Copilot’s past year of commit activity
    C# 30 MIT 7 2 13 Updated Oct 21, 2025
  • 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# 4,565 MIT 455 35 3 Updated Oct 21, 2025
  • vscode-docs Public

    Public documentation for Visual Studio Code

    microsoft/vscode-docs’s past year of commit activity
    Markdown 6,208 5,377 101 (1 issue needs help) 15 Updated Oct 21, 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# 1,242 MIT 166 55 (2 issues need help) 5 Updated Oct 21, 2025
  • vscode-copilot-chat Public

    Copilot Chat extension for VS Code

    microsoft/vscode-copilot-chat’s past year of commit activity
    TypeScript 8,737 MIT 1,305 0 70 Updated Oct 21, 2025
  • BCApps Public

    Repository for collaboration on Microsoft Dynamics 365 Business Central applications.

    microsoft/BCApps’s past year of commit activity
    AL 474 MIT 259 47 48 Updated Oct 21, 2025
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