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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 37.4k

  2. TypeScript TypeScript Public

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

    TypeScript 107k 13.2k

  3. PowerToys PowerToys Public

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

    C# 128k 7.6k

  4. terminal terminal Public

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

    C++ 101k 9k

  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 7496 repositories
  • MicrosoftAzureCloudHSM Public

    Azure Cloud HSM SDK

    microsoft/MicrosoftAzureCloudHSM’s past year of commit activity
    16 2 2 1 Updated Jan 17, 2026
  • Agent365-devTools Public

    The Microsoft Agent 365 DevTools CLI is a command-line interface tool designed to streamline the development, deployment, and management of Microsoft Agent 365 applications.

    microsoft/Agent365-devTools’s past year of commit activity
    C# 17 MIT 7 13 5 Updated Jan 17, 2026
  • trident Public

    Azure Linux servicing agent - security focused install, provisioning, and update

    microsoft/trident’s past year of commit activity
    Rust 19 MIT 15 14 15 Updated Jan 17, 2026
  • vscode Public

    Visual Studio Code

    microsoft/vscode’s past year of commit activity
    TypeScript 180,746 MIT 37,418 5,000+ (541 issues need help) 976 Updated Jan 17, 2026
  • qdk Public

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

    microsoft/qdk’s past year of commit activity
    Rust 828 MIT 161 147 (1 issue needs help) 8 Updated Jan 17, 2026
  • hve-core Public

    A refined collection of Hypervelocity Engineering components (instructions, prompts, agents) to start your project off right, or upgrade your existing projects to get the most out of all Copilots

    microsoft/hve-core’s past year of commit activity
    PowerShell 55 MIT 25 26 5 Updated Jan 17, 2026
  • generative-ai-for-beginners Public

    21 Lessons, Get Started Building with Generative AI

    microsoft/generative-ai-for-beginners’s past year of commit activity
    Jupyter Notebook 105,247 MIT 56,210 3 4 Updated Jan 17, 2026
  • cognitive-services-speech-sdk-js Public

    Microsoft Azure Cognitive Services Speech SDK for JavaScript

    microsoft/cognitive-services-speech-sdk-js’s past year of commit activity
    TypeScript 315 113 89 12 Updated Jan 17, 2026
  • clarity Public

    A behavioral analytics library that uses dom mutations and user interactions to generate aggregated insights.

    microsoft/clarity’s past year of commit activity
    TypeScript 2,571 MIT 261 235 (1 issue needs help) 11 Updated Jan 17, 2026
  • onnxruntime-genai Public

    Generative AI extensions for onnxruntime

    microsoft/onnxruntime-genai’s past year of commit activity
    C++ 931 MIT 251 134 25 Updated Jan 16, 2026
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