Keep Display On is described as 'When it's not possible to change the screensaver settings in your Windows environment, then it's almost impossible to show things on your screen for a longer period without activating the screensaver' and is a prevent sleep mode app in the os & utilities category. There are more than 25 alternatives to Keep Display On for a variety of platforms, including Mac, Windows, Android, F-Droid and Linux apps. The best Keep Display On alternative is Amphetamine, which is free. Other great apps like Keep Display On are Caffeinate, Stimulator, Caffeine for Windows and Caffeine for Linux.