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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 181k 37.3k

  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# 128k 7.6k

  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# 27k 4.4k

Repositories

Showing 10 of 7473 repositories
  • finops-toolkit Public

    Tools and resources to help you adopt and implement FinOps capabilities that automate and extend the Microsoft Cloud.

    microsoft/finops-toolkit’s past year of commit activity
    PowerShell 494 MIT 189 203 (28 issues need help) 29 Updated Jan 12, 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# 975 MIT 291 212 20 Updated Jan 12, 2026
  • BCApps Public

    Repository for collaboration on Microsoft Dynamics 365 Business Central applications.

    microsoft/BCApps’s past year of commit activity
    AL 509 MIT 309 64 58 Updated Jan 12, 2026
  • go-infra Public

    Infrastructure supporting the use of Go in Microsoft

    microsoft/go-infra’s past year of commit activity
    Go 36 MIT 11 0 4 Updated Jan 12, 2026
  • agent-framework Public

    A framework for building, orchestrating and deploying AI agents and multi-agent workflows with support for Python and .NET.

    microsoft/agent-framework’s past year of commit activity
    Python 6,478 MIT 1,013 531 99 Updated Jan 12, 2026
  • jrtc-apps Public
    microsoft/jrtc-apps’s past year of commit activity
    Python 12 MIT 11 2 2 Updated Jan 12, 2026
  • kiota Public

    OpenAPI based HTTP Client code generator

    microsoft/kiota’s past year of commit activity
    C# 3,608 MIT 294 146 (28 issues need help) 25 Updated Jan 12, 2026
  • xdp-for-windows Public

    XDP speeds up networking on Windows

    microsoft/xdp-for-windows’s past year of commit activity
    C 448 MIT 55 59 (1 issue needs help) 4 Updated Jan 12, 2026
  • ifc Public

    SDK for the IFC specification at https://github.com/microsoft/ifc-spec

    microsoft/ifc’s past year of commit activity
    C++ 68 18 9 7 Updated Jan 12, 2026
  • vscode Public

    Visual Studio Code

    microsoft/vscode’s past year of commit activity
    TypeScript 180,570 MIT 37,340 5,000+ (546 issues need help) 964 Updated Jan 12, 2026
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