I made this because I hated having to convert between bytes and ASCII when debugging serial communication.
An expanded serial monitor.
https://drive.google.com/file/d/0ByylDpbJmeddNlgyaG9wNWVIeGM/
SerialLiaison gives you the functionality of the Arduino IDE serial monitor, plus the ability to send and receive the actual byte data.
Screenshot:
Hopefully this is useful to someone. If you find any bugs, or want anything changed/added, shoot an email to wyattjameson@gmail.com, or ask me here.