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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 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 7477 repositories
  • vscode-python-debugger Public

    Python debugger (debugpy) extension for VS Code.

    microsoft/vscode-python-debugger’s past year of commit activity
    TypeScript 144 MIT 86 119 (1 issue needs help) 15 Updated Jan 13, 2026
  • hve-core Public

    A refined collection of Hypervelocity Engineering components (instructions, prompts, agents) to start your project off right, or upgrade your existing projects to get the most out of all Copilots

    microsoft/hve-core’s past year of commit activity
    PowerShell 52 MIT 23 16 4 Updated Jan 13, 2026
  • fhir-server Public

    A service that implements the FHIR standard

    microsoft/fhir-server’s past year of commit activity
    TSQL 1,326 MIT 574 90 (3 issues need help) 47 Updated Jan 13, 2026
  • onnxscript Public

    ONNX Script enables developers to naturally author ONNX functions and models using a subset of Python.

    microsoft/onnxscript’s past year of commit activity
    Python 417 MIT 97 207 (1 issue needs help) 26 Updated Jan 13, 2026
  • vscode-copilot-chat Public

    Copilot Chat extension for VS Code

    microsoft/vscode-copilot-chat’s past year of commit activity
    TypeScript 9,265 MIT 1,563 0 121 Updated Jan 13, 2026
  • DirectX-Graphics-Samples Public

    This repo contains the DirectX Graphics samples that demonstrate how to build graphics intensive applications on Windows.

    microsoft/DirectX-Graphics-Samples’s past year of commit activity
    C++ 6,639 MIT 2,136 91 (10 issues need help) 16 Updated Jan 13, 2026
  • WSL Public

    Windows Subsystem for Linux

    microsoft/WSL’s past year of commit activity
    C++ 30,858 MIT 1,579 943 17 Updated Jan 13, 2026
  • lisa Public

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

    microsoft/lisa’s past year of commit activity
    Python 319 MIT 224 36 (3 issues need help) 37 Updated Jan 13, 2026
  • vscode-fabric Public

    Microsoft Fabric extension for VS Code

    microsoft/vscode-fabric’s past year of commit activity
    TypeScript 32 MIT 7 13 5 Updated Jan 13, 2026
  • typescript-go Public

    Staging repo for development of native port of TypeScript

    microsoft/typescript-go’s past year of commit activity
    Go 23,718 Apache-2.0 790 201 (1 issue needs help) 58 Updated Jan 13, 2026
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