Current Mac Apps Used

Dock
Thunderbird (no longer used, but a nice app)
Firefox 3.0
Omnifocus (EBC license)
Transmit (EBC license)
TextWrangler
Soundslides (Plus 898)
1Password (my license)
Parallels (Build 5582)
Mplayer
Backdrop
Prism Twitter App

Dock Stack 1
Delicious Library 2
Finale 2009
Frostwire
iBackup
JAlbum
MacTheRipper
Prism
Transmission
TweetDeck

Dock Stack 2
Alarm Clock 2
BookSmart
Disk Inventory X
Google Earth
Handbrake
Microsoft Messenger
Onyx (unused as of today)
PrintFinder (outputs a list of files)
Renamer4mac
VLC (only used once or twice)

* Perian adds QuickTime support for most major video formats.
* TweetDeck requires Adobe AIR
* Growl used by Firefox, Transmission, and others.