Alternatives to SleepTime for all platforms with any license

  • Caffeine for Mac icon

    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. Hold down the...

    Free Mac

    • Discontinued The program is no longer updated and seems not to work.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.
    • does the opposite. Please sleep makes sure the mac sleeps... Guest • Feb 2016 Disagree   Agree
  • Caffeine for Linux icon

    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.

    Open Source Linux

  • Amphetamine icon

    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

  • Caffeine for Windows icon

    Caffeine for Windows

    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...

    Free Windows

  • Caffeinated icon

    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.

    Open Source Windows

  • Don't Sleep icon

    Don't Sleep

    Don't Sleep is a small portable program to prevent system shutdown, Standby, Hibernate, Turn Off and Restart.

    Free Windows

  • NoDoze icon

    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 Windows wildcards to choose when the screensaver is deactivated.

    Open Source Windows

  • PleaseSleep icon

    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. PleaseSleep sits in the background and waits for the sleep...

    Free Mac

    • 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/
  • NoSleep icon

    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 activate it by clicking a menu bar icon or check a tick in the...

    Open Source Mac

  • InsomniaT icon

    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

    Open Source Mac

  • Should I Sleep icon

    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 sensors, such as FACE DETECTION, Should I Sleep checks if you are...

    Commercial Mac

  • Sleep Preventer icon

    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: -Parameter support. v1.2: Option to let display fall asleep. v1.1:...

    Free Windows

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  • Deep Sleep icon

    Deep Sleep

    Deep Sleep is a simple Dashboard widget which allows users to put their computer into hibernation mode, also sometimes called software suspend mode. This widget only works on a limited number of Apple computer models.

    Free Mac

  • SleepLess icon

    SleepLess

    This application is used to prevent the computer from going to sleep without changing system settings can disable sleep with lid closed Safe Sleep (Hibernate) with one click one click activation / deactivation schedule...

    Commercial Mac

  • Sleep No More icon

    Sleep No More

    A tiny menu bar application, that prevents your Mac from sleeping for a set amount of time.

    Free Mac

  • SmartSleep icon

    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 drops below a certain point (default is less then 20% or 20...

    Commercial Mac

    • Discontinued Program hasn't been updated since 2013. No longer on app store.
  • InsomniaX icon

    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 ever, especially at about one inch height. This small utility is...

    Free Mac

    • does the opposite. Please sleep makes sure the mac sleeps... Guest • Feb 2016 Disagree   Agree

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