SleepLess is described as 'This application is used to prevent the computer from going to sleep without changing system settings' and is a prevent sleep mode app in the os & utilities category. There are more than 25 alternatives to SleepLess for a variety of platforms, including Mac, Windows, Linux, Web-based and Flathub apps. The best SleepLess alternative is goguma app, which is both free and Open Source. Other great apps like SleepLess are Amphetamine, Stimulator, caffeinate & disablesleep and Caffeine for Mac.
Wakes your Mac for scheduled jobs, holds it awake while long work finishes, and lets it sleep otherwise. Finds the cron jobs that have been missing runs; keeps a coding agent running with the lid shut.
United States
Amphetamine is a little app that lives in your menu bar which can effortlessly override your energy saver settings and keep your Mac awake.
United States
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.
caffeinate & disablesleep replaces two macOS terminal commands: caffeinate -disu and sudo pmset -a disablesleep 1. One click keeps the Mac awake, with an option to stay awake when the lid is closed. Timed sessions run from 15 minutes to 8 hours, or forever.
Australia
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.
United States
NeverNap prevents your Mac from sleeping or activating the screensaver. For 5 minutes or indefinitely. Perfect for presentations or long processes.
Netherlands
EU
One of the first webpages that used the Wake Lock API packaged in the nosleep.js script to prevent a device from sleeping.
United Kingdom
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.
Norway
Don't Sleep is a small portable program to prevent system shutdown, Standby, Hibernate, Turn Off and Restart.
GermanyEU
Annoyed by the display getting dim when you're reading or watching something? What if the computer could “see and hear” you?
Clapet is a utility that aims to improve clamshell mode on your Macbook by automatically managing sleep when an external display is detected.
