BillSerialAnalyser screenshots

Bill Serial Port Monitor utility is a Serial RS-232 COM ports monitor
Main Window
BillSerialAnalyser 3.0 : Main Window

Alternative downloads

ActiveXperts Serial Port Component
It adds serial communication capabilities to any Windows application.
Network Serial Port Kit
Allows you to work with any serial devices connected to remote computers.
RS-232 Monitor
RS232 Monitor is serial port communication software.