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Open source projects and samples from Microsoft
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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 178k 35.8k

  2. TypeScript TypeScript Public

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

    TypeScript 107k 13.1k

  3. PowerToys PowerToys Public

    Microsoft PowerToys is a collection of utilities that help you customize Windows and streamline everyday tasks

    C# 125k 7.4k

  4. terminal terminal Public

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

    C++ 101k 8.9k

  5. semantic-kernel semantic-kernel Public

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

    C# 26.5k 4.3k

Repositories

Showing 10 of 7266 repositories
  • verona-rt Public

    The runtime for the Verona project

    microsoft/verona-rt’s past year of commit activity
    C++ 35 MIT 18 5 8 Updated Oct 26, 2025
  • mcs-labs Public
    microsoft/mcs-labs’s past year of commit activity
    CSS 57 MIT 60 0 1 Updated Oct 26, 2025
  • trident Public

    Azure Linux servicing agent - security focused install, provisioning, and update

    microsoft/trident’s past year of commit activity
    Rust 12 MIT 5 3 14 Updated Oct 26, 2025
  • PPCC25-ALM Public

    This repository is for the "Workshop: Lifecycle Mastery: Managing Power Platform Assets in the Age of Agents" workshop at the Power Platform Community Conference 2025 in Las Vegas.

    microsoft/PPCC25-ALM’s past year of commit activity
    1 MIT 0 0 0 Updated Oct 26, 2025
  • azure-trust-agents Public

    Hands‑on hackathon challenges to build intelligent multi‑agent financial compliance workflows using the Microsoft Agent Framework

    microsoft/azure-trust-agents’s past year of commit activity
    Python 0 MIT 0 0 0 Updated Oct 26, 2025
  • agent-lightning Public

    The absolute trainer to light up AI agents.

    microsoft/agent-lightning’s past year of commit activity
    Python 2,144 MIT 174 38 20 Updated Oct 26, 2025
  • DirectXShaderCompiler Public

    This repo hosts the source for the DirectX Shader Compiler which is based on LLVM/Clang.

    microsoft/DirectXShaderCompiler’s past year of commit activity
    C++ 3,412 802 496 128 Updated Oct 26, 2025
  • teams.py Public

    a suite of packages used to build on the Teams Platform.

    microsoft/teams.py’s past year of commit activity
    Python 15 MIT 4 15 (1 issue needs help) 8 Updated Oct 26, 2025
  • ppcc25-cc-masterclass Public
    microsoft/ppcc25-cc-masterclass’s past year of commit activity
    2 MIT 0 0 0 Updated Oct 26, 2025
  • vscode-documentdb Public

    DocumentDB Extension for VS Code

    microsoft/vscode-documentdb’s past year of commit activity
    TypeScript 18 MIT 3 68 5 Updated Oct 26, 2025
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