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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 181k 37.7k

  2. TypeScript TypeScript Public

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

    TypeScript 108k 13.2k

  3. PowerToys PowerToys Public

    Microsoft PowerToys is a collection of utilities that help you customize Windows and streamline everyday tasks

    C# 129k 7.7k

  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# 27.1k 4.4k

Repositories

Showing 10 of 7533 repositories
  • litebox Public

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

    microsoft/litebox’s past year of commit activity
    Rust 7 MIT 4 61 21 Updated Feb 1, 2026
  • vscode Public

    Visual Studio Code

    microsoft/vscode’s past year of commit activity
    TypeScript 181,246 MIT 37,695 5,000+ (539 issues need help) 1,025 Updated Feb 1, 2026
  • sc-AR Public

    Adaptive resampling for machine learning in single-cell biology

    microsoft/sc-AR’s past year of commit activity
    Jupyter Notebook 11 MIT 3 0 0 Updated Feb 1, 2026
  • winget-pkgs Public

    The Microsoft community Windows Package Manager manifest repository

    microsoft/winget-pkgs’s past year of commit activity
    PowerShell 10,193 MIT 5,990 1,098 492 Updated Feb 1, 2026
  • MIDI Public

    Windows MIDI Services

    microsoft/MIDI’s past year of commit activity
    C++ 502 MIT 54 46 1 Updated Feb 1, 2026
  • agent-skills Public

    Skills, MCP servers, Custom Coding Agents, Agents.md for SDKs to ground Coding Agents

    microsoft/agent-skills’s past year of commit activity
    TypeScript 220 MIT 22 0 1 Updated Feb 1, 2026
  • vscode-docs Public

    Public documentation for Visual Studio Code

    microsoft/vscode-docs’s past year of commit activity
    Markdown 6,372 5,535 86 (1 issue needs help) 14 Updated Feb 1, 2026
  • 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 71 MIT 24 11 3 Updated Feb 1, 2026
  • CsWinRT Public

    C# language projection for the Windows Runtime

    microsoft/CsWinRT’s past year of commit activity
    C# 619 MIT 123 216 20 Updated Feb 1, 2026
  • data-formulator Public

    🪄 Create rich visualizations with AI

    microsoft/data-formulator’s past year of commit activity
    TypeScript 14,792 MIT 1,345 45 (4 issues need help) 5 Updated Feb 1, 2026
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