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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. vscodevscodePublic

    Visual Studio Code

    TypeScript 170k 31.8k

  2. TypeScriptTypeScriptPublic

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

    TypeScript 104k 12.8k

  3. PowerToysPowerToysPublic

    Windows system utilities to maximize productivity

    C# 118k 7k

  4. terminalterminalPublic

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

    C++ 97.8k 8.5k

  5. semantic-kernelsemantic-kernelPublic

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

    C# 24.2k 3.8k

Repositories

Showing 10 of 6779 repositories
  • typespec Public
    microsoft/typespec’s past year of commit activity
    Java 5,003MIT 270 870(2 issues need help) 47 Updated Apr 27, 2025
  • WindowsAppSDK Public

    The Windows App SDK empowers all Windows desktop apps with modern Windows UI, APIs, and platform features, including back-compat support, shipped via NuGet.

    microsoft/WindowsAppSDK’s past year of commit activity
    C++ 3,990MIT 348 452 29 Updated Apr 27, 2025
  • Olive Public

    Olive: Simplify ML Model Finetuning, Conversion, Quantization, and Optimization for CPUs, GPUs and NPUs.

    microsoft/Olive’s past year of commit activity
    Python 1,872MIT 203 57 10 Updated Apr 27, 2025
  • winget-pkgs Public

    The Microsoft community Windows Package Manager manifest repository

    microsoft/winget-pkgs’s past year of commit activity
    PowerShell 9,287MIT 5,001 896 156 Updated Apr 27, 2025
  • windows-ai-studio-templates Public
    microsoft/windows-ai-studio-templates’s past year of commit activity
    Python 29MIT 13 0 8 Updated Apr 27, 2025
  • PowerPlatformConnectors Public

    This is a repository for Microsoft Power Automate, Power Apps, and Azure Logic Apps connectors

    microsoft/PowerPlatformConnectors’s past year of commit activity
    C# 1,064MIT 1,314 166 92 Updated Apr 27, 2025
  • Tutel Public

    Tutel MoE: Optimized Mixture-of-Experts Library, Support DeepSeek FP8/FP4

    microsoft/Tutel’s past year of commit activity
    Python 810MIT 96 43 0 Updated Apr 27, 2025
  • PowerToys Public

    Windows system utilities to maximize productivity

    microsoft/PowerToys’s past year of commit activity
    C# 117,791MIT 6,961 5,000+(194 issues need help) 65 Updated Apr 27, 2025
  • azure-devops-rust-api Public

    Rust API crate for the Azure DevOps API

    microsoft/azure-devops-rust-api’s past year of commit activity
    Rust 64MIT 22 11 2 Updated Apr 27, 2025
  • presidio Public

    An open-source framework for detecting, redacting, masking, and anonymizing sensitive data (PII) across text, images, and structured data. Supports NLP, pattern matching, and customizable pipelines.

    microsoft/presidio’s past year of commit activity
    Python 4,498MIT 635 70(13 issues need help) 8 Updated Apr 27, 2025
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