SerialMon is described as 'Monitors RS232 communication thru software or with simple hardware. Protocol analyzer for ABB RP570, ABB SPA-bus and NMEA 0183 protocol' and is an app. There are more than 10 alternatives to SerialMon for a variety of platforms, including Windows, Linux, Mac, Flathub and Flatpak apps. The best SerialMon alternative is Tauno Monitor, which is both free and Open Source. Other great apps like SerialMon are Serial Port Monitor, SerialTool, Advanced Serial Port Monitor and Serial Port Assistant.
A Simple stand-alone serial port monitor for the GNOME desktop. It aims to be beginner friendly, small and easy to use. Not feature-rich and professional. Remembers the last settings (Theme, Baud Rate, Port etc.).
Estonia
EU
Displays, logs, and analyzes serial data from RS232/422/485 ports in real-time, features terminal emulation, customizable interface, advanced configuration, monitoring filters, session save and reload, data format switching, and detailed I/O control code recording.
United States
Serial Port Communication software ideal for COM communication. Multiplatform utility running on Windows, MacOS and Linux. It is completely free.
This program allows you to check the flow of data through a computer's COM ports. As you can see from software name this application can work as serial port monitor. It supports full duplex mode, flexible adjusting of parameters, output received data to file, automatic and...
Russia
This project is a cross-platform serial port assistant. It can run on Windows, Linux, Android, and macOS.
Free Software to monitor (bi-directional) Serial Port communication RS232 between two devices, use our free Bill Serial Port Monitor. This software allows you to view, log, analyse the activity of your full duplex serial RS-232 port.
Listen32 tap into RS-232 transmit signals for monitoring bi-directional communications between two devices. Two COM ports are used in the listening device, the receive line of each connected to the transmit line of one of the communicating devices.
AccessPort is serial port monitoring tool for technicians, engineers and software developers designing or debugging serial port related projects.
Portmon is a utility that monitors and displays all serial and parallel port activity on a system. It has advanced filtering and search capabilities that make it a powerful tool for exploring the way Windows works, seeing how applications use ports, or tracking down problems in...
United States
RS-232 and RS-485 serial terminal and serial port monitor for macOS, Windows, Linux, with a Modbus RTU decoder and RS-485 sniffer, time-stamped logging, macros, triggers and ESP32, STM32, AVR firmware flashing, plus optional Lua scripting, charts, an AI assistant (BYOK) and an MCP server.
PolandEU
