Caffeine for Linux - Inspired by the Mac OS X version, Caffeine for Linux is a status bar application able to...
Coffee - An Android application that allows you to keep the display awake without having to change the device settings
Caffeine for Windows - Prevent your computer from going to sleep
Sleepless Mac - Open-source status bar app to keep your Mac from sleeping
KeepingYouAwake - A Caffeine clone for macOS Yosemite, El Capitan and Sierra (including Dark Mode).
Caffeinated - Caffeinated is a clone of a comparative Mac OSX apparatus called Caffeine and stops your PC going into standby.