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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 168k 30.6k

  2. TypeScript TypeScript Public

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

    TypeScript 102k 12.7k

  3. PowerToys PowerToys Public

    Windows system utilities to maximize productivity

    C# 115k 6.8k

  4. terminal terminal Public

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

    C++ 97.1k 8.5k

  5. semantic-kernel semantic-kernel Public

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

    C# 23.2k 3.5k

Repositories

Showing 10 of 6670 repositories
  • bioemu Public

    Inference code for scalable emulation of protein equilibrium ensembles with generative deep learning

    microsoft/bioemu’s past year of commit activity
    Python 56 MIT 11 3 3 Updated Feb 20, 2025
  • vscode Public

    Visual Studio Code

    microsoft/vscode’s past year of commit activity
    TypeScript 167,564 MIT 30,626 5,000+ (387 issues need help) 500 Updated Feb 20, 2025
  • MHA Public

    Message Header Analyzer Add-in For Outlook

    microsoft/MHA’s past year of commit activity
    TypeScript 303 MIT 54 18 (1 issue needs help) 3 Updated Feb 20, 2025
  • mattergen Public

    Official implementation of MatterGen -- a generative model for inorganic materials design across the periodic table that can be fine-tuned to steer the generation towards a wide range of property constraints.

    microsoft/mattergen’s past year of commit activity
    Python 1,153 MIT 152 6 1 Updated Feb 20, 2025
  • SqlNexus Public

    SQL Nexus is a tool that helps you identify the root cause of SQL Server performance issues. It loads and analyzes performance data collected by SQL LogScout, SQLDiag or PSSDiag. It can dramatically reduce the amount of time you spend manually analyzing data.

    microsoft/SqlNexus’s past year of commit activity
    C# 370 MIT 102 27 3 Updated Feb 20, 2025
  • hi-ml Public

    HI-ML toolbox for deep learning for medical imaging and Azure integration

    microsoft/hi-ml’s past year of commit activity
    Python 271 MIT 59 90 (10 issues need help) 25 Updated Feb 20, 2025
  • PowerToys Public

    Windows system utilities to maximize productivity

    microsoft/PowerToys’s past year of commit activity
    C# 114,945 MIT 6,766 5,000+ (177 issues need help) 64 Updated Feb 20, 2025
  • MicroHack Public

    This repository is the central repository for all MicroHacks from customers, partners or Microsoft.

    microsoft/MicroHack’s past year of commit activity
    Jupyter Notebook 119 MIT 79 9 3 Updated Feb 20, 2025
  • fluentui-blazor Public

    Microsoft Fluent UI Blazor components library. For use with ASP.NET Core Blazor applications

    microsoft/fluentui-blazor’s past year of commit activity
    C# 4,112 MIT 402 39 9 Updated Feb 20, 2025
  • ACV Public

    A series of work towards achieving ACV.

    microsoft/ACV’s past year of commit activity
    Python 14 MIT 1 1 1 Updated Feb 20, 2025
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