
Amphetamine
Amphetamine is a little app that lives in your menu bar which can effortlessly override your energy saver settings and keep your Mac awake.
A Caffeine clone for macOS Yosemite, El Capitan and Sierra (including Dark Mode).
KeepingYouAwake is a small menu bar utility for macOS Yosemite (Version 10.10) and newer that can prevent your Mac from entering sleep mode for a predefined duration or as long as it is activated.
menu-bar-app prevent-screensaver prevent-sleep-mode sleep-mode caffeine