Amphetamine is a little app that lives in your menu bar which can effortlessly override your energy saver settings and keep your Mac awake.




Sleep Preventer is described as 'Prevents your computer from going to sleep, hibernate, dim the display or start the screensaver. Application runs in the system tray when closed. New in version v1.3: -Parameter support. v1.2: Option to let display fall asleep. v1.1: Sleep timer' and is a prevent sleep mode app in the os & utilities category. There are more than 25 alternatives to Sleep Preventer for a variety of platforms, including Mac, Windows, Android, Linux and Flathub apps. The best Sleep Preventer alternative is Amphetamine, which is free. Other great apps like Sleep Preventer are Caffeine for Windows, Stimulator, nosleep.page and Caffeine for Linux.
Amphetamine is a little app that lives in your menu bar which can effortlessly override your energy saver settings and keep your Mac awake.




If you have problems with your PC locking or going to sleep, caffeine will keep it awake. It works by simulating a keypress once every 59 seconds, so your machine thinks you're still working at the keyboard, so won't lock the screen or activate the screensaver.

This is a simple app that prevents the desktop environment (DE) from sleeping while its on. It should work regardless of the used DE thanks to the Inhibit portal.


One of the first webpages that used the Wake Lock API packaged in the nosleep.js script to prevent a device from sleeping.

Inspired by the Mac OS X version, Caffeine for Linux is a status bar application able to temporarily prevent the activation of both the screensaver and the "sleep" powersaving mode.



PowerToys Awake is a tool for Windows designed to keep a computer awake without having to manage its power & sleep settings. This can be helpful when running time-consuming tasks, ensuring that the computer does not go to sleep or turn off its screens.


Caffeine is a tiny program that puts an icon in the right side of your menu bar. Click it to prevent your Mac from automatically going to sleep, dimming the screen or starting screen savers.

NeverNap prevents your Mac from sleeping or activating the screensaver. For 5 minutes or indefinitely. Perfect for presentations or long processes.

KeepOn allows you to keep your device's screen on for the desired duration and also allows you to return to the default settings automaticaly when the screen turns off.




Don't Sleep is a small portable program to prevent system shutdown, Standby, Hibernate, Turn Off and Restart.

Use Mac with external monitors with lid closed even when you are on battery power. Play music, airplay movies, download/upload lid closed. Most modern and up to date app.




It always has been a missing feature: disabling the sleep mode on a Apple Laptop. Who does not want to use it as a big juke-box or go warwalking. The best looking server ever, especially at about one inch height.
