Advanced Serial Port Monitor

This program allows you to check the flow of data through a computer’s COM ports.

CuteCom

Features: easy to use GUI no cryptic keyboard shortcuts

The tool to test, log and analyze serial port data - RS232 sniffer software.

HTerm is a terminal emulator for serial communication.

Listen32 tap into RS-232 transmit signals for monitoring bi-directional communications between two…

Popular free terminal application. Mostly used as an SSH client.

RealTerm is a terminal program specially designed for capturing, controlling and debugging binary…

Engineering, testing and debugging of serial communication.

ZTerm is a terminal emulation program for the Macintosh.

moserial is a clean, friendly gtk-based serial terminal for the GNOME desktop.