Change the default schedule of Timemachine November 14th, 2008
Timemachine is great, but I'm running on empty on my volume and really could do without hourly backups. Timemachine Editor to the rescue, a small app to set your own schedule:
Gather Windows manually April 17th, 2008
Did one of your application windows get stuck on the second display you recently disconnected in Mac OS X? No gather windows button in Preferences > Display? Check out the AppleScript that fixes it all. Works as advertised on 10.5.2.
Check your IMAP quota in Mail.app May 22nd, 2007
Discovered this nice quota dialog in Mail.app:

Just right-click and select Get Info on an IMAP mailbox
