I/O Ninja
I/O Ninja is a GUI front-end for performing and monitoring arbitrary I/O operations.
Imagine a terminal emulation program, like HyperTerminal or a telnet client.
Allow it to send and receive arbitrary binary data in HEX or TEXT form.
Pour in ultimate I/O flexibility, allowing it to work with any underlying transport, be it a serial port, TCP/UDP in client or server modes, PIPE or anything else.
Add the monitoring capabilities of a network sniffer or a serial monitor.
Now sprinkle a dash of style and common sense, and you’ve got an elegant and powerful tool for debugging almost any communication scenario you can throw at it. I/O Ninja. Buy Now More Info Trial 
Price: 59.0