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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 Public

    Visual Studio Code

    TypeScript 170k 31.5k

  2. TypeScript Public

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

    TypeScript 104k 12.8k

  3. PowerToys Public

    Windows system utilities to maximize productivity

    C# 117k 6.9k

  4. terminal Public

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

    C++ 97.7k 8.5k

  5. semantic-kernel Public

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

    C# 24k 3.7k

Repositories

Showing 10 of 6748 repositories
  • outlook-pst-rs Public

    Reference implementation of the Outlook PST store provider in Rust

    Rust 3 MIT 1 1 2 Updated Apr 14, 2025
  • winget-pkgs Public

    The Microsoft community Windows Package Manager manifest repository

    PowerShell 9,262 MIT 4,973 903 322 Updated Apr 14, 2025
  • PHIDeIDPortal Public

    Sample PHI DeID Portal for uploading, indexing and identifying PHI within documents.

    C# 5 MIT 6 6 0 Updated Apr 14, 2025
  • durabletask-protobuf Public

    Protobuf definitions for the Durable Task framework

    6 MIT 10 0 1 Updated Apr 14, 2025
  • demikernel Public

    Kernel-Bypass LibOS Architecture

    Rust 1,117 MIT 129 86 (6 issues need help) 1 Updated Apr 14, 2025
  • MSO-Scripts Public

    Set of scripts for performance investigations on Windows.

    PowerShell 18 MIT 4 1 0 Updated Apr 14, 2025
  • SAIMOpt.jl Public

    Julia back-end for using the AOC/AIM optimization service

    Julia 4 MIT 0 0 0 Updated Apr 14, 2025
  • quicreach Public

    A 'ping' equivalent tool for QUIC.

    C++ 117 MIT 28 3 (1 issue needs help) 2 Updated Apr 14, 2025
  • PowerToys Public

    Windows system utilities to maximize productivity

    C# 117,334 MIT 6,934 5,000+ (191 issues need help) 89 Updated Apr 14, 2025
  • accessibility-insights-service Public

    Accessibility Insights Service

    TypeScript 71 53 3 2 Updated Apr 14, 2025
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