The best free alternative to Amphetamine is Caffeine for Windows. If that doesn't suit you, our users have ranked more than 50 alternatives to Amphetamine and many of them is free so hopefully you can find a suitable replacement. Other interesting free alternatives to Amphetamine are Stimulator, PowerToys - Awake, NeverNap and Caffeine for Mac.
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.
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.
NeverNap prevents your Mac from sleeping or activating the screensaver. For 5 minutes or indefinitely. Perfect for presentations or long processes.
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.
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.
Don't Sleep is a small portable program to prevent system shutdown, Standby, Hibernate, Turn Off and Restart.
Coffee is a modern, open-source Android utility built with Jetpack Compose and Material Design 3. It provides a Quick Settings tile to prevent screen dimming or locking during reading, navigation, or focused tasks, with customizable timers including indefinite mode.
Econap helps you to save energy and increase your comfort. Before your pc enters the sleep mode, Econap will check if something important is running on your system. If so, it will wait until your download, backups, videos etc. are finished. Finally your pc will go to sleep.
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.
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it measures what the system actually does