Caffeinated - Caffeinated is a clone of a comparative Mac OSX apparatus called Caffeine and stops your PC going into standby.
SmartSleep - SmartSleep lets you select each sleep state.
Theine - Prevent your Mac from falling asleep, dimming your screen or starting the screensaver.
Caffeine for Linux - Inspired by the Mac OS X version, Caffeine for Linux is a status bar application able to...
Caffeine - Caffeine is a social broadcasting platform for gaming, entertainment, and the creative arts.
noblackout - Disables screensaver and powersaving while running programms from a choosen directory.