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... Free Mac OS X Sits in the MenuBar Add a feature 87 Like Discontinued The program is no longer updated and seems not to work. Last version, 1.1.1, released in December 2010, can be still downloaded from the official website.
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 Schedule session Sits in the System Tray Add a feature 18 Like
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... Free Open Source Windows Portable Sits in the System Tray Add a feature 16 Like
Don't Sleep Don't Sleep is a small portable program to prevent system shutdown, Standby, Hibernate, Turn Off and Restart. Free Windows No features added Add a feature 9 Like
NoSleep NoSleep makes closing of your MacBook lid possible without going to a sleep mode. Now you shouldn't have to plug your mouse and monitor to stay computer awake - just... Free Open Source Mac OS X No features added Add a feature 4 Like
InsomniaT This is a kernel extension and clients that allow the MacBook to disable sleeping when the lid is closed. MOUNTAIN LION IS NOT SUPPORTED Free Open Source Mac macOS-like Add a feature 1 Like
KeepingYouAwake A Caffeine clone for macOS Yosemite, El Capitan and Sierra (including Dark Mode). Free Open Source Mac OS X Sits in the MenuBar Add a feature 7 Like
PleaseSleep PleaseSleep is a utility software designed for Mac OS X that helps put your computer to sleep when you know some other app is preventing your Mac from going to sleep. ... Free Mac OS X No features added Add a feature 2 Like Discontinued The developer has quit and the official site is gone except for a farewell message, but the site has been archived by Internet Archive: https://web.archive.org/web/20151202113600/http://www.dragonone.com/products/macosx/pleasesleep/
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 $ $ $ Mac OS X Sits in the MenuBar Add a feature 2 Like
SmartSleep SmartSleep lets you select each sleep state. Additionally the new SmartSleep state lets your notebook just sleep while the battery has a high level. If the battery level... Commercial Mac OS X No features added Add a feature 1 Like Discontinued Program hasn't been updated since 2013. No longer on app store.
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 Sits in the System Tray Add a feature 1 Like
NoDoze NoDoze simulates keyboard/mouse activity to keep the screensaver from activating. Its activity depends on currently running programs. You can use regular expressions or... Free Open Source Windows No features added Add a feature 2 Like
noblackout Disables screensaver and powersaving while running programms from a choosen directory. Free Open Source Windows Sits in the System Tray Add a feature 1 Like
Should I Sleep Annoyed by the display getting dim when you're reading or watching something? What if the computer could “see and hear” you? By using a combination of heuristic... Commercial Mac OS X Motion detection Add a feature 7 Like
Sleep Preventer 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:... Free Windows Portable Sits in the System Tray Add a feature 3 Like
