ModbusSniffer icon
ModbusSniffer icon

ModbusSniffer

A lightweight and user-friendly Modbus RTU sniffer tool with a graphical interface. Easily analyze and debug communication between PLCs, HMIs, and other Modbus RTU devices via serial ports.

ModbusSniffer screenshot 1

Cost / License

  • Free
  • Proprietary

Platforms

  • Windows
  • Linux
  • Python
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Features

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  1.  Embedded apps
  2.  Embeddable
  3.  Modbus

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ModbusSniffer information

  • Developed by

    Unknown

  • Licensing

    Proprietary and Free product.

  • Alternatives

    0 alternatives listed

  • Supported Languages

    • English

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Development
ModbusSniffer was added to AlternativeTo by niwciu on and this page was last updated .
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What is ModbusSniffer?

ModbusSniffer is a lightweight, cross-platform desktop application for monitoring Modbus RTU communication via serial ports in real-time.

Designed for engineers, technicians, and automation developers, it simplifies troubleshooting by capturing showing decoded Modbus traffic in real-time.

🚀 Key Features¶

? Real-time Modbus RTU frame capturing ? Live Frame table view ? Friendly graphical interface (PyQt6) ? Message decoding with function and address information ? Filtering, sorting and searching captured data ? Exporting logs to txt and CSV ? Sniffs raw Modbus RTU frames from serial ports (RS-485, USB) ? Color-coded logging of request–response frames in terminal view ? Cross-platform: Windows & Linux ? MIT licensed, open-source

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