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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 182k 37.9k

  2. TypeScript TypeScript Public

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

    TypeScript 108k 13.2k

  3. PowerToys PowerToys Public

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

    C# 129k 7.7k

  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# 27.2k 4.5k

Repositories

Showing 10 of 7554 repositories
  • powerplatform-vscode Public

    The Power Platform VSCode extension makes it easy to manage Power Platform environments and allows the developer to create, build and deploy Power Platform solutions, packages and portals.

    microsoft/powerplatform-vscode’s past year of commit activity
    TypeScript 258 MIT 54 76 34 Updated Feb 10, 2026
  • azure-pipelines-tasks Public

    Tasks for Azure Pipelines

    microsoft/azure-pipelines-tasks’s past year of commit activity
    TypeScript 3,614 MIT 2,689 279 (24 issues need help) 245 Updated Feb 10, 2026
  • typespec Public
    microsoft/typespec’s past year of commit activity
    Java 5,580 MIT 337 1,008 (2 issues need help) 47 Updated Feb 10, 2026
  • mcp-for-beginners Public

    This open-source curriculum introduces the fundamentals of Model Context Protocol (MCP) through real-world, cross-language examples in .NET, Java, TypeScript, JavaScript, Rust and Python. Designed for developers, it focuses on practical techniques for building modular, scalable, and secure AI workflows from session setup to service orchestration.

    microsoft/mcp-for-beginners’s past year of commit activity
    Jupyter Notebook 14,285 MIT 4,698 0 1 Updated Feb 10, 2026
  • fluentui-charting-contrib Public

    Contributor tools and guides for fluentui charting library

    microsoft/fluentui-charting-contrib’s past year of commit activity
    TypeScript 24 MIT 12 2 28 Updated Feb 10, 2026
  • STL Public

    MSVC's implementation of the C++ Standard Library.

    microsoft/STL’s past year of commit activity
    C++ 10,973 1,611 533 (3 issues need help) 30 Updated Feb 10, 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 7,093 MIT 1,130 606 123 Updated Feb 10, 2026
  • sciLaMA Public

    Paper Accepted to ICML2025: code for sciLaMA, a project led by Hongru Hu at Microsoft Research (Summer 2024)

    microsoft/sciLaMA’s past year of commit activity
    Python 4 MIT 1 1 1 Updated Feb 10, 2026
  • Qcodes Public

    Modular data acquisition framework

    microsoft/Qcodes’s past year of commit activity
    Python 417 MIT 344 197 53 Updated Feb 10, 2026
  • azurelinux Public

    Linux OS for Azure 1P services and edge appliances

    microsoft/azurelinux’s past year of commit activity
    RPM Spec 4,573 MIT 603 180 519 Updated Feb 10, 2026
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