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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 183k 38.8k

  2. TypeScript TypeScript Public

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

    TypeScript 108k 13.3k

  3. PowerToys PowerToys Public

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

    C# 131k 7.8k

  4. terminal terminal Public

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

    C++ 102k 9.2k

  5. semantic-kernel semantic-kernel Public

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

    C# 27.6k 4.5k

Repositories

Showing 10 of 7707 repositories
  • winget-pkgs Public

    The Microsoft community Windows Package Manager manifest repository

    microsoft/winget-pkgs’s past year of commit activity
    PowerShell 10,409 MIT 6,498 1,136 417 Updated Mar 29, 2026
  • 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 7,421 MIT 983 55 (5 issues need help) 18 Updated Mar 29, 2026
  • agent-framework Public

    A framework for building, orchestrating and deploying AI agents and multi-agent workflows with support for Python and .NET.

    microsoft/agent-framework’s past year of commit activity
    Python 8,262 MIT 1,377 584 159 Updated Mar 29, 2026
  • PhiCookBook Public

    This is a Phi Family of SLMs book for getting started with Phi Models. Phi a family of open sourced AI models developed by Microsoft. Phi models are the most capable and cost-effective small language models (SLMs) available, outperforming models of the same size and next size up across a variety of language, reasoning, coding, and math benchmarks

    microsoft/PhiCookBook’s past year of commit activity
    Jupyter Notebook 3,719 MIT 483 0 4 Updated Mar 29, 2026
  • durabletask-js Public

    A Durable Task JavaScript SDK compatible with Azure Durable Task Scheduler

    microsoft/durabletask-js’s past year of commit activity
    TypeScript 9 MIT 11 26 16 Updated Mar 29, 2026
  • vscode Public

    Visual Studio Code

    microsoft/vscode’s past year of commit activity
    TypeScript 183,159 MIT 38,812 5,000+ (513 issues need help) 1,426 Updated Mar 29, 2026
  • Mastering-GitHub-Copilot-for-Paired-Programming Public

    A multi-module course teaching everything you need to know about using GitHub Copilot as an AI Peer Programming resource.

    microsoft/Mastering-GitHub-Copilot-for-Paired-Programming’s past year of commit activity
    Python 7,740 MIT 1,694 2 0 Updated Mar 29, 2026
  • quicreach Public

    A 'ping' equivalent tool for QUIC.

    microsoft/quicreach’s past year of commit activity
    C++ 140 MIT 34 1 (1 issue needs help) 0 Updated Mar 29, 2026
  • fabric-cli Public

    ⚡ Microsoft Fabric CLI

    microsoft/fabric-cli’s past year of commit activity
    Python 100 MIT 37 21 (2 issues need help) 7 Updated Mar 29, 2026
  • vscode-copilot-chat Public

    Copilot Chat extension for VS Code

    microsoft/vscode-copilot-chat’s past year of commit activity
    TypeScript 9,712 MIT 1,782 10 245 Updated Mar 29, 2026
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