Caffeine for Windows - Prevent your computer from going to sleep
Caffeinated - Caffeinated is a clone of a comparative Mac OSX apparatus called Caffeine and stops your PC going into standby.
noblackout - Disables screensaver and powersaving while running programms from a choosen directory.
Theine - Prevent your Mac from falling asleep, dimming your screen or starting the screensaver.
AntiSleep - AntiSleep is a powerful software that prevents the system from going into hibernate mode.
Caffeine - Caffeine is a social broadcasting platform for gaming, entertainment, and the creative arts.