ThinkGear Connector

ThinkGear Connector screenshots

TGC is an ideal option for developers working in frameworks like Adobe Flash.
ThinkGear Connector 1.0 : Main window

Alternative downloads

CoolTerm
1.7.0.3
FREE
Exchange data with hardware connected via serial ports.
Serial Tools
0.6
FREE
Set of serial port tools for Mac OS X.
SerialParallels
1.0
FREE
Parallels only supports serial ports as sockets on the host OS.