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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 38.4k

  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# 130k 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# 27.4k 4.5k

Repositories

Showing 10 of 7653 repositories
  • onnxruntime Public

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

    microsoft/onnxruntime’s past year of commit activity
    C++ 19,502 MIT 3,754 842 452 Updated Mar 11, 2026
  • artifacts-keyring Public

    Keyring backend for Azure Artifacts

    microsoft/artifacts-keyring’s past year of commit activity
    Python 44 MIT 20 7 5 Updated Mar 11, 2026
  • vscode-documentdb Public

    DocumentDB Extension for VS Code

    microsoft/vscode-documentdb’s past year of commit activity
    TypeScript 22 MIT 8 65 (1 issue needs help) 8 Updated Mar 11, 2026
  • finnts Public

    Microsoft Finance Time Series Forecasting Framework (FinnTS) is a forecasting package that utilizes cutting-edge time series forecasting and parallelization on the cloud to produce accurate forecasts for financial data.

    microsoft/finnts’s past year of commit activity
    R 250 49 3 7 Updated Mar 11, 2026
  • windows-rs Public

    Rust for Windows

    microsoft/windows-rs’s past year of commit activity
    Rust 11,988 Apache-2.0 603 33 0 Updated Mar 11, 2026
  • vscode-mssql Public

    Visual Studio Code SQL Server extension.

    microsoft/vscode-mssql’s past year of commit activity
    TypeScript 1,849 574 150 19 Updated Mar 11, 2026
  • vscode Public

    Visual Studio Code

    microsoft/vscode’s past year of commit activity
    TypeScript 182,598 MIT 38,438 5,000+ (525 issues need help) 1,247 Updated Mar 11, 2026
  • FluidFramework Public

    Library for building distributed, real-time collaborative web applications

    microsoft/FluidFramework’s past year of commit activity
    TypeScript 4,917 MIT 566 27 144 Updated Mar 11, 2026
  • teams.net Public

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

    microsoft/teams.net’s past year of commit activity
    C# 31 MIT 16 30 29 Updated Mar 11, 2026
  • DirectStorage Public

    DirectStorage for Windows is an API that allows game developers to unlock the full potential of high speed NVMe drives for loading game assets.

    microsoft/DirectStorage’s past year of commit activity
    C++ 829 MIT 96 11 2 Updated Mar 11, 2026
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