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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 177k 34.9k

  2. TypeScript TypeScript Public

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

    TypeScript 106k 13k

  3. PowerToys PowerToys Public

    Windows system utilities to maximize productivity

    C# 123k 7.3k

  4. terminal terminal Public

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

    C++ 100k 8.7k

  5. semantic-kernel semantic-kernel Public

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

    C# 26.1k 4.2k

Repositories

Showing 10 of 7065 repositories
  • prose Public

    Microsoft Program Synthesis using Examples SDK is a framework of technologies for the automatic generation of programs from input-output examples. This repo includes samples and sample data for the Microsoft Program Synthesis using Example SDK.

    microsoft/prose’s past year of commit activity
    C# 650 99 8 1 Updated Sep 9, 2025
  • BotFramework-WebChat Public

    A highly-customizable web-based client for Azure Bot Services.

    microsoft/BotFramework-WebChat’s past year of commit activity
    HTML 1,717 MIT 1,591 394 34 Updated Sep 9, 2025
  • vcpkg-tool Public

    Components of microsoft/vcpkg's binary.

    microsoft/vcpkg-tool’s past year of commit activity
    C++ 514 MIT 317 2 40 Updated Sep 9, 2025
  • onnxruntime-github-actions Public

    Reusable GitHub Actions for ONNX Runtime repos. The actions are used for constructing ONNX Runtime's public pull request pipelines.

    microsoft/onnxruntime-github-actions’s past year of commit activity
    JavaScript 1 MIT 0 0 1 Updated Sep 9, 2025
  • onnxruntime Public

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

    microsoft/onnxruntime’s past year of commit activity
    C++ 17,802 MIT 3,442 835 314 Updated Sep 9, 2025
  • fhir-server Public

    A service that implements the FHIR standard

    microsoft/fhir-server’s past year of commit activity
    TSQL 1,285 MIT 553 85 (2 issues need help) 53 Updated Sep 9, 2025
  • azure-pipelines-tasks Public

    Tasks for Azure Pipelines

    microsoft/azure-pipelines-tasks’s past year of commit activity
    TypeScript 3,572 MIT 2,655 298 (26 issues need help) 195 Updated Sep 9, 2025
  • winget-pkgs Public

    The Microsoft community Windows Package Manager manifest repository

    microsoft/winget-pkgs’s past year of commit activity
    PowerShell 9,690 MIT 5,388 1,083 289 Updated Sep 9, 2025
  • coe-starter-kit Public
    microsoft/coe-starter-kit’s past year of commit activity
    TypeScript 873 238 600 12 Updated Sep 9, 2025
  • jpbrowsers Public
    microsoft/jpbrowsers’s past year of commit activity
    0 MIT 0 0 1 Updated Sep 9, 2025
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