minicom - Minicom is a menu driven communications program. It emulates ANSI and VT102 terminals.
Serial Port Monitor - The tool to test, log and analyze serial port data - RS232 sniffer software.
HTerm - HTerm is a terminal emulator for serial communication.
RealTerm - RealTerm is a terminal program specially designed for capturing, controlling and debugging binary...
CuteCom - Features: easy to use GUI no cryptic keyboard shortcuts
YAT - Yet Another Terminal - Engineering, testing and debugging of serial communication.