Caffeine for Mac has been discontinued. Similar apps include Vorssaint, which is free and open source. Other options are Amphetamine, goguma app, Green Dotter and Caffeine for Windows. There's no shortage of Prevent Sleep Mode Apps like Caffeine for Mac, with more than 50 alternatives for Mac, Windows, Android, Linux and the web.
Toolkit for macOS offering system monitoring, per-app volume, improved app switching, window snapping, Dock previews, clipboard management, text snippets, file shelf, and app uninstaller, all free, open-source, and running locally with no account or telemetry.
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
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
Free auto clicker and mouse jiggler for Mac and Windows operating locally without accounts, offering safe-area click zones, random or fixed intervals, natural movement, session time limits, tray minimisation, instant pause on activity, and Microsoft Store access.
United Kingdom
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.
United Kingdom
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.
United States
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.
Caffeinate is an App that helps android developers to keep their phone's display awake without having to change the device settings. It can be toggled at various places:
KeepingYouAwake is a small menu bar utility for macOS (Version 10.13 and newer) that can prevent your Mac from entering sleep mode for a predefined duration or as long as it is activated.
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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.
NeverNap prevents your Mac from sleeping or activating the screensaver. For 5 minutes or indefinitely. Perfect for presentations or long processes.
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