1)   232Analyzer 5.2
232Analyzer is an advanced serial protocol analyzer software, terminal, debugger, monitor, sniffer, it allows programmers, engineers to control, debug, monitor, sniff, test and analyze serial port activities with RS232/RS485/RS422/TTL converters.

 2)   Serial Com Port Monitor 4.0
Serial Com Port Monitor was designed for RS232/422/485 COM ports monitoring. It monitors, displays, logs and analyzes all serial port activity in a system and solves problems of debugging computer connection with peripheral devices using COM port.