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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# 27k 4.4k

Repositories

Showing 10 of 7489 repositories
  • winget-pkgs Public

    The Microsoft community Windows Package Manager manifest repository

    microsoft/winget-pkgs’s past year of commit activity
    PowerShell 10,121 MIT 5,910 1,065 494 Updated Jan 15, 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 53 MIT 24 16 4 Updated Jan 15, 2026
  • copilot-camp Public

    Hands-on labs for extending Microsoft 365 Copilot and building custom engine agents

    microsoft/copilot-camp’s past year of commit activity
    TypeScript 428 MIT 116 39 (1 issue needs help) 36 Updated Jan 15, 2026
  • vscode-copilot-chat Public

    Copilot Chat extension for VS Code

    microsoft/vscode-copilot-chat’s past year of commit activity
    TypeScript 9,279 MIT 1,569 0 121 Updated Jan 15, 2026
  • lisa Public

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

    microsoft/lisa’s past year of commit activity
    Python 319 MIT 226 35 (3 issues need help) 35 Updated Jan 14, 2026
  • Microsoft365DSC Public

    Manages, configures, extracts and monitors Microsoft 365 tenant configurations

    microsoft/Microsoft365DSC’s past year of commit activity
    PowerShell 2,148 MIT 617 168 (2 issues need help) 5 Updated Jan 15, 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 4,275 MIT 548 186 (14 issues need help) 33 Updated Jan 15, 2026
  • ai-tour-26-zava-diy-dataset-plus-mcp Public
    microsoft/ai-tour-26-zava-diy-dataset-plus-mcp’s past year of commit activity
    Python 46 MIT 27 0 0 Updated Jan 15, 2026
  • mcp-for-beginners Public

    This open-source curriculum introduces the fundamentals of Model Context Protocol (MCP) through real-world, cross-language examples in .NET, Java, TypeScript, JavaScript, Rust and Python. Designed for developers, it focuses on practical techniques for building modular, scalable, and secure AI workflows from session setup to service orchestration.

    microsoft/mcp-for-beginners’s past year of commit activity
    Jupyter Notebook 14,040 MIT 4,603 0 2 Updated Jan 15, 2026
  • vscode Public

    Visual Studio Code

    microsoft/vscode’s past year of commit activity
    TypeScript 180,669 MIT 37,385 5,000+ (544 issues need help) 965 Updated Jan 15, 2026
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