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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 180k 36.8k

  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# 126k 7.5k

  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# 26.8k 4.4k

Repositories

Showing 10 of 7438 repositories
  • vscode-pull-request-github Public

    GitHub Pull Requests for Visual Studio Code

    microsoft/vscode-pull-request-github’s past year of commit activity
    TypeScript 2,502 MIT 685 248 (2 issues need help) 74 Updated Dec 12, 2025
  • AL-Go Public

    The plug-and-play DevOps solution for Business Central app development on GitHub

    microsoft/AL-Go’s past year of commit activity
    PowerShell 424 MIT 174 24 13 Updated Dec 12, 2025
  • retina Public

    eBPF distributed networking observability tool for Kubernetes

    microsoft/retina’s past year of commit activity
    Go 3,071 MIT 267 129 (18 issues need help) 44 Updated Dec 12, 2025
  • 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# 964 MIT 290 219 36 Updated Dec 12, 2025
  • lisa Public

    LISA is developed and maintained by Microsoft, to empower Linux validation.

    microsoft/lisa’s past year of commit activity
    Python 317 MIT 224 36 (3 issues need help) 30 Updated Dec 12, 2025
  • 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 2 MIT 4 0 6 Updated Dec 12, 2025
  • 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 19,739 2,861 431 (6 issues need help) 230 Updated Dec 12, 2025
  • winget-pkgs Public

    The Microsoft community Windows Package Manager manifest repository

    microsoft/winget-pkgs’s past year of commit activity
    PowerShell 10,003 MIT 5,729 1,092 929 Updated Dec 12, 2025
  • azure-pipelines-agent Public

    Azure Pipelines Agent 🚀

    microsoft/azure-pipelines-agent’s past year of commit activity
    C# 1,859 MIT 909 84 139 Updated Dec 12, 2025
  • Conversation-Knowledge-Mining-Solution-Accelerator Public

    This solution accelerator leverages Azure AI Foundry, Azure AI Content Understanding, Azure OpenAI Service, and Azure AI Search to enable organizations to derive insights from volumes of conversational data using generative AI. It offers key phrase extraction, topic modeling, and interactive chat experiences through an intuitive web interface.

    microsoft/Conversation-Knowledge-Mining-Solution-Accelerator’s past year of commit activity
    Python 395 MIT 236 1 11 Updated Dec 12, 2025
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