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.
DORKYPANTS 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. (Version 1.1)
LEAFNSTONE 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. (Version 1.0.1)