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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 38.4k

  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# 130k 7.8k

  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# 27.4k 4.5k

Repositories

Showing 10 of 7645 repositories
  • binskim Public

    A binary static analysis tool that provides security and correctness results for Windows Portable Executable and *nix ELF binary formats

    microsoft/binskim’s past year of commit activity
    C# 839 167 137 18 Updated Mar 10, 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 425 MIT 247 1 1 Updated Mar 10, 2026
  • azure-pipelines-tasks-common-packages Public
    microsoft/azure-pipelines-tasks-common-packages’s past year of commit activity
    TypeScript 37 MIT 56 27 80 Updated Mar 10, 2026
  • lisa Public

    LISA is developed and maintained by Microsoft, to empower Linux validation.

    microsoft/lisa’s past year of commit activity
    Python 323 MIT 227 36 (3 issues need help) 31 Updated Mar 10, 2026
  • STL Public

    MSVC's implementation of the C++ Standard Library.

    microsoft/STL’s past year of commit activity
    C++ 10,990 1,614 528 (3 issues need help) 17 Updated Mar 10, 2026
  • vscode-copilot-chat Public

    Copilot Chat extension for VS Code

    microsoft/vscode-copilot-chat’s past year of commit activity
    TypeScript 9,582 MIT 1,707 0 227 Updated Mar 10, 2026
  • powerplatform-vscode Public

    The Power Platform VSCode extension makes it easy to manage Power Platform environments and allows the developer to create, build and deploy Power Platform solutions, packages and portals.

    microsoft/powerplatform-vscode’s past year of commit activity
    TypeScript 256 MIT 55 76 29 Updated Mar 10, 2026
  • unified-data-foundation-with-fabric-solution-accelerator Public

    Unified Data Foundation with Microsoft Fabric with Options to Integrate with Azure Databricks and Microsoft Purview

    microsoft/unified-data-foundation-with-fabric-solution-accelerator’s past year of commit activity
    Python 22 MIT 29 0 7 Updated Mar 10, 2026
  • LangChain4j-for-Beginners Public

    A course for AI applications with LangChain4j from simple chat to AI agents.

    microsoft/LangChain4j-for-Beginners’s past year of commit activity
    Java 216 MIT 75 0 1 Updated Mar 10, 2026
  • skills-for-copilot-studio Public

    A skill for AI-coding tools to build and edit Microsoft Copilot Studio agents as YAML — with schema validation, templates, and AI-powered skills. Suited for Claude Code, GitHub Copilot CLI, and more.

    microsoft/skills-for-copilot-studio’s past year of commit activity
    JavaScript 2 MIT 0 3 0 Updated Mar 10, 2026
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