What are some alternatives?
HyperTerminal - HyperTerminal is a terminal emulator capable of connecting to systems through TCP/IP Networks...
HTerm - HTerm is a terminal emulator for serial communication.
DTerm Open - Free Serial Communication app with a simple design
GtkTerm - Gtkterm is a simple GTK+ terminal used to communicate with a serial port.
CuteCom - Features: easy to use GUI no cryptic keyboard shortcuts
moserial - moserial is a clean, friendly gtk-based serial terminal for the GNOME desktop.