command z

OS X interface for screencapture command.

Convert video files into the Handbrake Command Line Interface.

Display log files, UNIX command output, and more

HoudahGPS is a front end to the open source command line tool GPSBabel.

GUI for the command line look tool.

GUI for VMWare Fusion command line tools.

rawr! is based on rarlab's os x command line utility

Gnuplot is a portable command-line driven interactive data and function utility.

It can change the format of the screenshots (command/Shift/3 or 4).

Auto-complete partially typed words in BBEdit.