Toggl - Toggl is an online time tracking tool. It features 1-click time tracking and helps you see where your time goes. Free and paid versions are available.
Fliqlo Screensaver - A screensaver that displays the time using a flip clock.
Harvest - Simple time tracking, fast online invoicing, and powerful reporting software. Simplify employee timesheets and billing. Get started for free.
XScreenSaver - XScreenSaver is the standard screen saver collection shipped on most Linux and Unix systems running...
RescueTime - Time management software that shows you how you spend your time & provides tools to help you be more productive.
Padbury Clock Screensaver - Minimal screensaver for Mac