TimeBoxed is a timer to get things done. Very light user interface that doesn't disturb you while you work. You can choose from a variety of alerts to notify you when time is up: sound, speech alert, visual animations, Growl messages. It supports Applescript: you can write your own scripts to automate TimeBoxed.
LicenseFree to try
File Size8.47 MB
Operating System Mac OS X 10.5 Intel Mac OS X 10.5 PPC Macintosh Mac OS X 10.6 Intel
System Requirements