Last Updated on September 6, 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: Removed
Support:
Developer: Omnicom Contributors
License: MIT License

Omnicom is written in Python. Learn Python with our recommended free books and free tutorials.
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| Omnicom | Visual port handling suits modems, sensors, test rigs |
| HTerm | Uses wxWidgets, fmt, and spdlog |
| CuteCom | Graphical serial terminal |
Read our verdict in the software roundup.
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