Alternatives to SleepLess for all platforms with any license

Platforms

Desktop

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  • 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...

    Free Mac

    No features added Add a feature
    • Discontinued The program is no longer updated and seems not to work.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.
  • 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

    No features added Add a feature
  • 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. ...

    Free Mac

    No features added Add a feature
    • Discontinued The developer has quit and the official site is gone except for a farewell message, but the site has been archived by Internet Archive: https://web.archive.org/web/20151202113600/http://www.dragonone.com/products/macosx/pleasesleep/
  • 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...

    Open Source Windows

    No features added Add a feature
  • 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...

    Open Source Mac

    No features added Add a feature
  • 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

    No features added Add a feature
  • 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...

  • 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...

    Free Mac

    No features added Add a feature
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  • 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

    No features added Add a feature
  • SleepTime icon

    SleepTime

    SleepTime is a light-weight app that lives on your menu bar, letting you easily set a timer to put your Mac on sleep automatically after a specified time period you...

    Commercial Mac

    No features added Add a feature
  • 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...

    Commercial Mac

    No features added Add a feature
    • Discontinued Program hasn't been updated since 2013. No longer on app store.

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