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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 183k 38.6k

  2. TypeScript TypeScript Public

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

    TypeScript 108k 13.3k

  3. PowerToys PowerToys Public

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

    C# 131k 7.8k

  4. terminal terminal Public

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

    C++ 102k 9.1k

  5. semantic-kernel semantic-kernel Public

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

    C# 27.5k 4.5k

Repositories

Showing 10 of 7686 repositories
  • Qcodes Public

    Modular data acquisition framework

    microsoft/Qcodes’s past year of commit activity
    Python 422 MIT 346 198 60 Updated Mar 19, 2026
  • go Public

    The Microsoft build of Go is a modified version of Go that can build FIPS compliant applications that satisfy internal Microsoft policies.

    microsoft/go’s past year of commit activity
    Go 409 BSD-3-Clause 40 139 4 Updated Mar 19, 2026
  • typespec Public
    microsoft/typespec’s past year of commit activity
    Java 5,630 MIT 345 1,020 (2 issues need help) 58 Updated Mar 19, 2026
  • WSL Public

    Windows Subsystem for Linux

    microsoft/WSL’s past year of commit activity
    C++ 31,455 MIT 1,646 928 53 Updated Mar 19, 2026
  • BCApps Public

    Repository for collaboration on Microsoft Dynamics 365 Business Central applications.

    microsoft/BCApps’s past year of commit activity
    AL 551 MIT 353 87 127 Updated Mar 19, 2026
  • Conversation-Knowledge-Mining-Solution-Accelerator Public

    This solution accelerator leverages Microsoft Foundry, Azure Content Understanding, Azure OpenAI Service, and Foundry IQ 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 429 MIT 250 1 7 Updated Mar 19, 2026
  • physical-ai-toolchain Public
    microsoft/physical-ai-toolchain’s past year of commit activity
    TypeScript 20 MIT 11 170 (13 issues need help) 12 Updated Mar 19, 2026
  • clarity Public

    A behavioral analytics library that uses dom mutations and user interactions to generate aggregated insights.

    microsoft/clarity’s past year of commit activity
    TypeScript 2,597 MIT 269 235 (1 issue needs help) 13 Updated Mar 19, 2026
  • vscode-copilot-chat Public

    Copilot Chat extension for VS Code

    microsoft/vscode-copilot-chat’s past year of commit activity
    TypeScript 9,646 MIT 1,743 1 221 Updated Mar 19, 2026
  • onnxruntime Public

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

    microsoft/onnxruntime’s past year of commit activity
    C++ 19,598 MIT 3,772 848 481 Updated Mar 19, 2026
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