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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 184k 39.4k

  2. TypeScript TypeScript Public

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

    TypeScript 109k 13.4k

  3. PowerToys PowerToys Public

    Microsoft PowerToys is a collection of utilities that supercharge productivity and customization on Windows

    C# 132k 7.9k

  4. terminal terminal Public

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

    C++ 103k 9.2k

  5. semantic-kernel semantic-kernel Public

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

    C# 27.8k 4.6k

Repositories

Showing 10 of 7796 repositories
  • winget-pkgs Public

    The Microsoft community Windows Package Manager manifest repository

    microsoft/winget-pkgs’s past year of commit activity
    10,511 MIT 6,787 1,155 368 Updated Apr 23, 2026
  • hcsshim Public

    Windows - Host Compute Service Shim

    microsoft/hcsshim’s past year of commit activity
    Go 660 MIT 281 75 59 Updated Apr 23, 2026
  • teams.net Public

    a suite of packages used to build on the Teams Platform.

    microsoft/teams.net’s past year of commit activity
    C# 34 MIT 16 38 40 Updated Apr 23, 2026
  • Agents-for-js Public

    This repository is for active development of the Microsoft 365 Agent SDK components for JavaScript

    microsoft/Agents-for-js’s past year of commit activity
    TypeScript 76 MIT 37 47 21 Updated Apr 23, 2026
  • microsoft-ui-xaml Public

    WinUI: a modern UI framework with a rich set of controls and styles to build dynamic and high-performing Windows applications.

    microsoft/microsoft-ui-xaml’s past year of commit activity
    C++ 7,438 MIT 818 2,108 (18 issues need help) 17 Updated Apr 23, 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# 4,715 MIT 469 33 7 Updated Apr 23, 2026
  • EventLogExpert Public
    microsoft/EventLogExpert’s past year of commit activity
    C# 266 MIT 31 1 0 Updated Apr 23, 2026
  • sqltoolsservice Public

    SQL Tools API service that provides SQL Server data management capabilities.

    microsoft/sqltoolsservice’s past year of commit activity
    C# 502 164 63 8 Updated Apr 23, 2026
  • vscode Public

    Visual Studio Code

    microsoft/vscode’s past year of commit activity
    TypeScript 184,183 MIT 39,374 5,000+ (502 issues need help) 1,789 Updated Apr 23, 2026
  • powerplatform-build-tools Public

    Power Platform Build Tools automate common build and deployment tasks related to Power Platform. This includes synchronization of solution metadata (a.k.a. solutions) between development environments and source control, generating build artifacts, deploying to downstream environments, provisioning/de-provisioning of environments, and the ability…

    microsoft/powerplatform-build-tools’s past year of commit activity
    TypeScript 273 MIT 64 157 16 Updated Apr 23, 2026
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