I have an iPhone 3GS.
I share the itunes email account with my mom so between us, we have a lot of apps. These are my apps on my iphone, some my mom downloaded but mostly I downloaded these:
Google
AT&T myWireless
Skype
Awesome Note
Citibank
iGroup
eCurrency
CheckPlease Lite
ATM Hunter
U.S.A. Tomtom Navigation (cost $50)
Amazon.com
AIM Free
Y! Messenger
Facebook
PingChat
Myspace
Mover Lite
Easy MSN
Bump
Meebo
Blackboard Learn
Your Rights (Constitution)
Dictionary/Thesaurus
Graph Calculator
Flash Cards
iHourglass
Coursesmart eTextbooks
French Tutor
iDict (translator)
RateMyProfessors
Variety
TMZ
NYTimes
E! Online
Fandango
IMDb
Flixster
HBO
CardStar
RedLaser
Craigsphone (craigslist.com)
Barnes & Noble
Best Buy
eBay
Target
Walmart
MiniPiano
iheartradio
Pandora
Shazam
Hot 97 FM
imeem
Moodagent
Music ID
Zenonia
Zenonia 2
Game of Life
Tap Farm
Rock Band
Live Poker
I Am T-Pain
Tap Sodoku
Skee-Ball
Traffic Rush
Solitaire
Wordsearch
Bejeweled 2
FallDown!
Finger Physics (Im addicted to this game)
K-Cube
Call of Duty Zombies
Minesweeper
Tap Tap Revenge 3
Tetris
The Sims 3
Glow Hockey Table (free)
ConnectFour (free)
MASH Touch
Echo
MadLibs
Dots
Crash Kart
Freecell
K-Slider Lite
Voices (my fave app)
Scramble 2
TapOut
CashCabLite
The Impossible Test
Photogene
PerflectlyClr
CinemaFX
Ransom
DashOfColor
MEOPhoto
CropForFree
ColorSplash
Pano
PhotoStudio
PSMobile
Photo
PhotoFunia
Photobucket
Pixelpipe
Puri! 2.5
HollywoodFX
OutColor
Freaked
PhotoSpeak
MyPaintFree
EffectTouch
Genius