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Open source projects and samples from Microsoft
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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 37.5k

  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# 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 7501 repositories
  • terraform-provider-power-platform Public

    Power Platform Terraform Provider

    microsoft/terraform-provider-power-platform’s past year of commit activity
    Go 46 MIT 14 15 6 Updated Jan 21, 2026
  • FLAML Public

    A fast library for AutoML and tuning. Join our Discord: https://discord.gg/Cppx2vSPVP.

    microsoft/FLAML’s past year of commit activity
    Jupyter Notebook 4,281 MIT 550 160 (10 issues need help) 19 Updated Jan 21, 2026
  • Conversation-Knowledge-Mining-Solution-Accelerator Public

    This solution accelerator leverages Microsoft Foundry, Azure Content Understanding, Azure OpenAI Service, and Foundry IQ to enable organizations to derive insights from volumes of conversational data using generative AI. It offers key phrase extraction, topic modeling, and interactive chat experiences through an intuitive web interface.

    microsoft/Conversation-Knowledge-Mining-Solution-Accelerator’s past year of commit activity
    Python 409 MIT 242 1 4 Updated Jan 21, 2026
  • lage Public

    Task runner in JS monorepos

    microsoft/lage’s past year of commit activity
    TypeScript 807 MIT 79 111 25 Updated Jan 21, 2026
  • RD-Agent Public

    Research and development (R&D) is crucial for the enhancement of industrial productivity, especially in the AI era, where the core aspects of R&D are mainly focused on data and models. We are committed to automating these high-value generic R&D processes through R&D-Agent, which lets AI drive data-driven AI. 🔗https://aka.ms/RD-Agent-Tech-Report

    microsoft/RD-Agent’s past year of commit activity
    Python 10,353 MIT 1,170 65 66 Updated Jan 21, 2026
  • vscode Public

    Visual Studio Code

    microsoft/vscode’s past year of commit activity
    TypeScript 180,876 MIT 37,508 5,000+ (540 issues need help) 994 Updated Jan 21, 2026
  • zerotrustassessment Public

    Repository for the Zero Trust Assessment project

    microsoft/zerotrustassessment’s past year of commit activity
    HTML 258 MIT 122 36 22 Updated Jan 21, 2026
  • vstest Public

    Visual Studio Test Platform is the runner and engine that powers test explorer and vstest.console.

    microsoft/vstest’s past year of commit activity
    C# 945 MIT 343 39 10 Updated Jan 21, 2026
  • react-native-gallery Public

    This repo contains the react-native Gallery app created by Microsoft

    microsoft/react-native-gallery’s past year of commit activity
    TypeScript 246 MIT 55 108 (1 issue needs help) 19 Updated Jan 21, 2026
  • fluentui-charting-contrib Public

    Contributor tools and guides for fluentui charting library

    microsoft/fluentui-charting-contrib’s past year of commit activity
    TypeScript 24 MIT 12 2 22 Updated Jan 21, 2026
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