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MacSSController helps you make your Mac to start/shut down/sleep on schedule. It can, for example, start/wake up your computer at midnight so that you can run backup tools while you are sleeping, or it can start in the morning before you wake up, and download new Podcast episodes.

MacSSController would be much more convenient and useful when used in conjunction with SUL.

Maybe you already know that you can set a schedule by using the "Energy Saver" pane of "System Preferences", but this allows you to set only one schedule. MacSSController lets you set as many schedules as you want.

What's New

Version 1.1.1: Fixed a bug that MacSSontroller couldn't install the schedule settings.


Mac OS X 10.3.9 or later

*Previously available here

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MacSSController User Discussion

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dorkypants Member IconComment+118

Does this solve the problem with Energy Saver's Scheduler where if the Mac is asleep when the scheduled time for shutdown occurs, it stays asleep rather than shutting down? Or, even if the Mac is awake when the Scheduler starts a shutdown, if it goes to sleep before the shutdown confirmation dialog times out, it stays asleep rather than shutting down.

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Version 1.1
Jeff-H. Member IconComment+188


Two questions:

Will this work with 10.5.3?


Do I have to have it launched all the time for it to work or just schedule an event, quit it, and thats it?

Thank you.

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Version 1.0.1
leafnstone Member IconReview+0

This is an easy way to customize the startup/shutdown scheduler in the Energy Saver preference panel without getting under the hood on OS X. It asks for your admin password when setting changes to the schedule.

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Version 1.0.1
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> 4 1


Current Version (1.x)


Downloads 3,222
Version Downloads 1,649
Type Utilities / System
License Free
Date 11 Apr 2009
Platform OS X / PPC 32 / Intel 32
Price Free