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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 45.1k

  2. TypeScript TypeScript Public

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

    Go 111k 16.5k

  3. PowerToys PowerToys Public

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

    C 139k 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# 28.6k 4.8k

Repositories

Showing 10 of 8354 repositories
  • simplechat Public

    Secure AI conversations with documents, video, audio, and more. Personal workspaces for focused context, group spaces for shared insight. Classify docs, reuse prompts, and extend with modular features.

    microsoft/simplechat's past year of commit activity
    Python 156 116 315 8 Updated Oct 11, 2026
  • aspire Public

    Aspire is the tool for code-first, extensible, observable dev and deploy.

    microsoft/aspire's past year of commit activity
    C# 6,360 MIT 1,007 2,285 (2 issues need help) 269 Updated Oct 11, 2026
  • amplifier-unified Public

    Unified shell for the Amplifier project

    microsoft/amplifier-unified's past year of commit activity
    Python 2 MIT 2 27 5 Updated Oct 11, 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 4,603 MIT 945 85 (15 issues need help) 63 Updated Oct 11, 2026
  • winget-pkgs Public

    The Microsoft community Windows Package Manager manifest repository

    microsoft/winget-pkgs's past year of commit activity
    11,160 MIT 10,543 1,368 2,907 Updated Oct 11, 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 749 MIT 108 18 12 Updated Oct 11, 2026
  • scope Public

    Scope | Agentic Experience evaluation platform (Research preview)

    microsoft/scope's past year of commit activity
    TypeScript 14 MIT 20 212 (7 issues need help) 108 Updated Oct 11, 2026
  • sarif-azuredevops-extension Public
    microsoft/sarif-azuredevops-extension's past year of commit activity
    TypeScript 14 MIT 9 9 10 Updated Oct 11, 2026
  • quicreach Public

    A 'ping' equivalent tool for QUIC.

    microsoft/quicreach's past year of commit activity
    C++ 152 MIT 35 1 (1 issue needs help) 1 Updated Oct 11, 2026
  • Huabu Public

    Huabu, where you and your agents think together.

    microsoft/Huabu's past year of commit activity
    TypeScript 157 MIT 19 53 18 Updated Oct 12, 2026
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