Omnicom – graphical interface for serial communication

Last Updated on July 3, 2026

Omnicom is a modern and elegant graphical interface for serial communication via picocom.

This is free and open source software.

Key Features

  • Serial Communication:
  • Modern graphical interface with PyQt6.
  • Embedded terminal – No external terminal required.
  • Elegant and responsive design.
  • Automatic serial port detection with QSerialPortInfo.
  • Support for serial ports (/dev/ttyS*) and USB adapters (/dev/ttyUSB*).
  • Complete serial parameter configuration:
  • Baud rate – 300 to 921600 bps.
  • Data bits (5-8).
  • Parity (None, Even, Odd).
  • Stop bits (1-2).
  • Flow control (None, Hardware, Software).
  • Automatic detection of available ports.
  • Root password request via sudo.
  • Real-time bidirectional communication.
  • Support for picocom control sequences (Ctrl+A, Ctrl+X, etc.).
  • Remote Connections:
  • SSH Support – Secure remote connections with password or key authentication.
  • Telnet Support – Connect to network devices via Telnet protocol.
  • Connection profile management for quick access
  • Automatic protocol detection (SSH port 22, Telnet port 23).
  • Terminal Features:
  • VT100/ANSI terminal emulation with pyte.
  • Syntax highlighting for network equipment commands.
  • Support for multiple vendors: Cisco, Huawei, H3C, Juniper, D-Link, Brocade, Datacom, Fortinet.
  • Adjustable font size.
  • Full keyboard support including special keys and control sequences.
  • TFTP Server.
  • Built-in TFTP server for firmware transfers.
  • Network interface selection.
  • Configurable root directory.

Website: github.com/benjamimgois/omnicom
Support:
Developer: Omnicom Contributors
License: MIT License

Omnicom in action
Click image for full size

Omnicom is written in Python. Learn Python with our recommended free books and free tutorials.


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Read our verdict in the software roundup.


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