DoThisNow for Mac

From Radical Breeze:

Setup a wide variety of customizable actions and run any of them in any way you like:

• Configurable hot-keys
• System-wide DoThisNow menu
• At a specific date and time
• Or at any time interval

Just a few real world examples of what you can do with DoThisNow:

• Set a hotkey to change your desktop background to a random picture from a folder. Tired of your current background... just hit a key.
• Set hotkeys to launch your most used applications.
• Set a schedule for your Mac to Optimize itself every night while you sleep.
• Create a set of hotkeys to set custom iChat status.
• Display a message every 15 minutes to remind you to take a break.
• There are so many possibilities. Some that serve a serious need, others that are just plain silly. With a little imagination it's amazing what you can accomplish.

Schedule your computer to perform any of the following tasks:

• Run an AppleScript
• Launch an Application or open a file
• Delete a file
• Type predefined Text
• Type the Date or Time
• Delete the contents of a folder
• Open a URL in the default web browser
• Set the Desktop Background
• Display a text message
• Speak a message
• Set your iChat status and message
• Play any audio file
• Shut Down your Mac
• Restart your Mac
• Log Out
• Put your Mac to sleep
• Run a Unix command
• Optimize your system
• Empty the trash
• Take Screenshot
• Repair Permissions
• Clear Internet Cache