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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 193k 42.4k

  2. TypeScript TypeScript Public

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

    Go 111k 14.1k

  3. PowerToys PowerToys Public

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

    C 139k 8.6k

  4. terminal terminal Public

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

    C++ 105k 9.6k

  5. semantic-kernel semantic-kernel Public

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

    C# 28.6k 4.8k

Repositories

Showing 10 of 8308 repositories
  • kiota Public

    OpenAPI based HTTP Client code generator

    microsoft/kiota's past year of commit activity
    C# 3,823 MIT 333 178 (26 issues need help) 56 Updated Sep 17, 2026
  • kompli Public

    The Linux native compliance and hardening engine. CIS, STIG, and custom baselines - audit, remediate, report.

    microsoft/kompli's past year of commit activity
    C++ 6 MIT 2 0 8 Updated Sep 17, 2026
  • BCApps Public

    Repository for collaboration on Microsoft Dynamics 365 Business Central applications.

    microsoft/BCApps's past year of commit activity
    AL 682 MIT 459 235 363 Updated Sep 17, 2026
  • onnxruntime Public

    ONNX Runtime: cross-platform, high performance ML inferencing and training accelerator

    microsoft/onnxruntime's past year of commit activity
    C++ 21,872 MIT 4,233 845 902 Updated Sep 17, 2026
  • site-admin Public

    An automation tool for tenant admins to use for automation of features/enhancements.

    microsoft/site-admin's past year of commit activity
    TypeScript 16 MIT 8 10 1 Updated Sep 17, 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# 4,818 MIT 482 32 9 Updated Sep 17, 2026
  • mssql-python Public

    Microsoft Python Driver for SQL Server

    microsoft/mssql-python's past year of commit activity
    Python 472 59 38 (1 issue needs help) 34 Updated Sep 17, 2026
  • vscode-docs Public

    Public documentation for Visual Studio Code

    microsoft/vscode-docs's past year of commit activity
    Markdown 6,633 5,749 94 14 Updated Sep 17, 2026
  • aspire Public

    Aspire is the tool for code-first, extensible, observable dev and deploy.

    microsoft/aspire's past year of commit activity
    C# 6,310 MIT 991 2,106 (3 issues need help) 272 Updated Sep 17, 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# 1,043 MIT 312 50 11 Updated Sep 17, 2026
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