What could be better than a cup of coffee to keep your computer from sleeping, dimming, or turning on the screensaver?

Caffeine, a little Mac and Windows tool that keeps your computer awake so it doesn’t disconnect, serves this purpose.

Caffeine is quietly dispensed from the menu bar. A ‘Zzz’ icon will remind you that your computer will remain awake as long as it is turned on.

To deactivate an app, click its icon. You may get a small menu that displays information about the application’s version and creator if you click the icon and simultaneously press the command button.