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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 7654 repositories
  • fabric-jumpstart Public

    Fabric Jumpstart provides high-quality accelerators, demos, and tutorials that install directly into your workspace in minutes.

    microsoft/fabric-jumpstart’s past year of commit activity
    Jupyter Notebook 11 MIT 13 9 2 Updated Mar 12, 2026
  • litebox Public

    A security-focused library OS supporting kernel- and user-mode execution

    microsoft/litebox’s past year of commit activity
    Rust 2,456 MIT 109 72 18 Updated Mar 12, 2026
  • vscode Public

    Visual Studio Code

    microsoft/vscode’s past year of commit activity
    TypeScript 182,604 MIT 38,446 5,000+ (523 issues need help) 1,254 Updated Mar 12, 2026
  • Multi-Agent-Custom-Automation-Engine-Solution-Accelerator Public

    The Multi-Agent Custom Automation Engine Solution Accelerator is an AI-driven system that manages a group of AI agents to accomplish tasks based on user input. Powered by Microsoft Agent Framework, Azure Foundry, Azure Cosmos DB, and infrastructure services, it provides a reference application, allowing you to hit the ground running.

    microsoft/Multi-Agent-Custom-Automation-Engine-Solution-Accelerator’s past year of commit activity
    Python 734 MIT 507 6 28 Updated Mar 12, 2026
  • vscode-copilot-chat Public

    Copilot Chat extension for VS Code

    microsoft/vscode-copilot-chat’s past year of commit activity
    TypeScript 9,590 MIT 1,715 0 216 Updated Mar 12, 2026
  • Qcodes Public

    Modular data acquisition framework

    microsoft/Qcodes’s past year of commit activity
    Python 422 MIT 345 198 57 Updated Mar 12, 2026
  • DiskANN Public

    Graph-structured Indices for Scalable, Fast, Fresh and Filtered Approximate Nearest Neighbor Search

    microsoft/DiskANN’s past year of commit activity
    Rust 1,718 MIT 383 115 (3 issues need help) 77 Updated Mar 12, 2026
  • fluentui-charting-contrib Public

    Contributor tools and guides for fluentui charting library

    microsoft/fluentui-charting-contrib’s past year of commit activity
    TypeScript 25 MIT 13 2 34 Updated Mar 12, 2026
  • onnxruntime Public

    ONNX Runtime: cross-platform, high performance ML inferencing and training accelerator

    microsoft/onnxruntime’s past year of commit activity
    C++ 19,510 MIT 3,752 844 456 Updated Mar 12, 2026
  • MIEngine Public

    The Visual Studio MI Debug Engine ("MIEngine") provides an open-source Visual Studio Debugger extension that works with MI-enabled debuggers such as gdb and lldb.

    microsoft/MIEngine’s past year of commit activity
    C# 847 MIT 226 159 (1 issue needs help) 11 Updated Mar 12, 2026
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