Alternatives to SleepLess for all platforms with any license

  • Caffeine for Mac icon

    Caffeine for Mac Discontinued

    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...

    Free Mac

  • 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...

    Free Mac

  • 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...

    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

  • 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...

    Free Windows

  • NoDoze icon

    NoDoze

    NoDoze simulates keyboard/mouse activity to keep the screensaver from activating. Its activity depends on currently running programs....

    Open Source Windows

  • 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...

    Open Source Mac

  • PleaseSleep icon

    PleaseSleep Discontinued

    PleaseSleep is a utility software designed for Mac OS X that helps put your computer to sleep when you know some other app is...

    Free Mac

  • 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...

    Free 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...

    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...

    Commercial Mac

  • 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...

    Free Mac

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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

  • 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...

    Commercial Mac

  • SmartSleep icon

    SmartSleep Discontinued

    SmartSleep lets you select each sleep state. Additionally the new SmartSleep state lets your notebook just sleep while the battery has...

    Commercial Mac

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