I have quite a lot of apps on mine...
Adobe Air + Flash Player 11 + Reader
Advanced Task Killer
AndFTP
ASTRO File Manager
avast! Mobile Security (the anti-theft on this is brilliant for a free app)
Dropbox
Facebook (though it sucks, so slow)
Hotmail
Instagram
Netflix (I don't even have an account anymore
)
Rugby League Live 2012
eBay
Opera Mini (Next) (use it for...private browsing)
Orange Wednesdays
PayPal
QuickMark Barcode Scanner (the best QR and barcode scanner I think)
Shazam
Skype
Speedtest
Steam (YAY STEAM!!!!)
Titanium Backup (saved me on many occasions, though I use it less now)
Widgetsoid
Wikipedia
Your Orange
And I have Angry Birds, Temple Run, Words and Hanging but I don't really use my phone for games all that much because they eat the battery so quickly :/