Caffeine for Mac

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. Click it again to go back.

Free Mac OS X

Caffeine for Linux

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.

Free Open Source Linux

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.

Free Mac OS X

Caffeine for Windows

If you have problems with your PC locking or going to sleep, caffeine will keep it awake.

Free Windows

Caffeinated

Caffeinated is a simple utility to prevent your PC from going to sleep. It places an icon near the clock. Click the icon to keep your PC awake. Click it again allow automatic sleep. Caffeinated is heavily inspired by Caffeine for OS X.

Free Open Source Windows

InsomniaX

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...

Free Mac OS X

Lungo

Lungo prevents your Mac from falling asleep and your screen from dimming. This can be useful when: - Doing a presentation at work - Watching YouTube videos in...

Commercial

Keep Screen On

Annoyed by your screen turning off when you're using certain apps? Don't change your display settings and waste battery by keeping the screen on when the home...

Free Android

No Sleep

no Sleep prevents your device going in deep sleep mode. It is installed as widget only. So you have to add the 'no Sleep'-widget to a launcherscreen. After...

Free Android

Coffee Buzz

Coffee Buzz is the easiest and safest display-sleep preventer available, with simple operation and exclusive Safety Auto-Shutoff feature. Keeping your Mac awake (and...

Free Mac OS X