Graphical serial terminal, like minicom

 Cutecom is a graphical serial terminal, like minicom.
 It is aimed mainly at hardware developers or other people who need a
 terminal to talk to their devices. It features lineoriented interface
 instead of character-oriented, xmodem, ymodem, zmodem support
 (requires the lrzsz package) and hexadecimal input and output among
 other things.
 It is written using the Qt library by Trolltech (www.trolltech.com).