• Adium Multi-protocol IM client; supports AIM, Yahoo, MSN, MySpace, Google Talk, and loads more.
  • Growl pop-up notifications for anything and everything
  • Safari – included with OSX
  • Mail and Address Book- included with OSX
  • Quicksilver keyboard-based launcher; hard to explain what it does, but useful as all hell
  • Firefox browser, though I don’t use it nearly as much on OSX because of Safari
  • Schoolhouse homework manager or iProcrastinate
  • Colloquy IRC chat client
  • Google Mail notifier
  • iBackup
  • NetNewsWire RSS reader
  • Skim PDF reader (Preview is good, Skim is better)
  • The Unarchiver for zips, rars, aces, etc.
  • Transmission bittorrent client
  • VLC media player for files Quicktime won’t handle

Safari IconLeopard Mail Icon