- 1Password/Lastpass - password saving
Adium/Pidgin - chat
Adobe CS5
Alfred - must have, productivity application
AppDelete - to delete apps
AppFresh - keeps apps/osx updated
BetterZip - to unrar
Carousel - instagram client
CleanMyMac - cleans out old/dead files
Cloud - must have, to upload clipboard content
coconutBattery - must have, to check battery health
Coda - coding application (X)HTML/CSS and beyond
DaisyDisk - must have, to visualize hard drive space
DiskSpeedTest - must have, to benchmark/test hard drive speeds
Fantastical - useful menubar calendar replacement
Flux - very useful application to adjust screen color with day&night
Firefox/Chrome
Gyazo - useful screenshot app
HealthNut - to track calories
iShowUHD - to screen-capture video
iStat Menus - must have, menu bar items include bandwidth, cpu, memory, hd
Jumpcut - to save clipboard items
KisMAC - network scanner
Little Snitch - must have, to control processes that access the internet
MacPilot
Mactracker
MainMenu Pro - very useful program to kill apps/optimize osx
Microsoft Office 2011
MiStat - app that displays OSX system status
Movist - must have media player, fastest on OSX
MacTheRipper 4 - to rip encrypted/region-locked DVDs
OmniFocus - must have to-do application/service
Parallels - to run Windows
Raskin - to visualize data on hard drive(s)
Reeder - must have, for (Google) RSS
Rubbernet
Senuti - to rip music off iPod, iPhone, ect
Skype
Sparrow - must have, best mail client on OSX
SpiderOak - (safer) Dropbox replacement
Switche - to change alt+tab
Tangerine! - to make smart playlists
TeamViewer - control any system
TextMate - must have text editor
Textual - absolutely must have IRC client
The Unarchiver - good unextracter (built in well to OSX)
Time Sink - must have app to display time usage on the system
TotalFinder - must have Finder add-on
Transmit - only good FTP program (and yet I still use FTPRush on Wine)
Twitterific - one of the best twitter clients
UnPlugged - to display when plugged/unplugged
uTorrent - must have best torrent client
VLC - useful media player (Movist is faster)
Wine, WineBottler - absolute must have application that will create OSX versions of Windows app using X11