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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 194k 44.9k

  2. TypeScript TypeScript Public

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

    Go 112k 16k

  3. PowerToys PowerToys Public

    Microsoft PowerToys is a collection of utilities that supercharge productivity and customization on Windows

    C 140k 8.6k

  4. terminal terminal Public

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

    C++ 105k 9.7k

  5. semantic-kernel semantic-kernel Public

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

    C# 28.7k 4.8k

Repositories

Showing 10 of 8396 repositories
  • vscode Public

    Visual Studio Code

    microsoft/vscode's past year of commit activity
    TypeScript 194,288 MIT 44,850 5,000+ (465 issues need help) 3,044 Updated Oct 25, 2026
  • go-infra Public

    Infrastructure supporting the use of Go in Microsoft

    microsoft/go-infra's past year of commit activity
    Go 42 MIT 15 0 5 Updated Oct 25, 2026
  • azurelinux Public

    General purpose Linux OS for Azure

    microsoft/azurelinux's past year of commit activity
    Python 5,358 MIT 711 25 210 Updated Oct 25, 2026
  • ai-mindset-experiment Public

    A field experiment exploring the effect of cognitive and behavioral scaffolding.

    microsoft/ai-mindset-experiment's past year of commit activity
    TypeScript 5 5 0 19 Updated Oct 25, 2026
  • TypeAgent Public

    Sample code that explores an architecture for using language models to build a personal agent that can work with application agents.

    microsoft/TypeAgent's past year of commit activity
    TypeScript 748 MIT 109 18 17 Updated Oct 25, 2026
  • PyRIT Public

    The Python Risk Identification Tool for generative AI (PyRIT) is an open source framework built to empower security professionals and engineers to proactively identify risks in generative AI systems.

    microsoft/PyRIT's past year of commit activity
    Python 4,687 MIT 981 79 (14 issues need help) 55 Updated Oct 25, 2026
  • windows-rs Public

    Rust for Windows

    microsoft/windows-rs's past year of commit activity
    Rust 12,859 Apache-2.0 688 43 2 Updated Oct 25, 2026
  • qdk Public

    Microsoft Quantum Development Kit, including the Q# programming language, resource estimator, and Quantum Katas

    microsoft/qdk's past year of commit activity
    Rust 1,026 MIT 219 231 (1 issue needs help) 44 Updated Oct 25, 2026
  • winget-pkgs Public

    The Microsoft community Windows Package Manager manifest repository

    microsoft/winget-pkgs's past year of commit activity
    11,240 MIT 11,347 1,395 4,432 Updated Oct 25, 2026
  • litebox Public

    A security-focused library OS supporting kernel- and user-mode execution

    microsoft/litebox's past year of commit activity
    Rust 3,227 MIT 181 125 25 Updated Oct 25, 2026
View all repositories

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