This page (perhaps later, pages) will describe my favorite applications for the ipod/iphone/ipad.
Top 4 ... the 4 I have pinned to the bottom of the display
Calendar
Music
Safari
Notes ... I have my configuration set to sync my notes with gmail. Each time a note is edited, an email of the note is sent to gmail.
Health
Lose It! ... (free) ... track calories (etc) of the food you eat.
WW Mobile ... (free, but*) ... Weight-watcher's mobile application for tracking "points". Requires a weight-watcher's subscription ... but it can be the cheaper "web-only" subscription.
MyNetDiary ... (free) ... track calories (etc) of the food you eat.
Utilities
MissingCalc ... a hexadecimal calculator
Google ... A single icon that acts as a jumping-board for reaching Google's many web-based offerings.
PocketCAS ... graphing calculator
ManyTimer ... multiple countdown timers
AppBox Lite ... multiple simple tools
Social
Facebook ... an app version of the social website
Skype ... a mobile version of the internet telephony software
File I/O
Dropbox ... a mobile client for the DropBox synchronized folder service. Run dropbox on your PC(s) and a folder of files (and sub-folders, etc) can be synced between them and your ipod.
Flash Files ... makes your ipod a file server ... think of it as turning your ipod into a flash drive
WikiServer ... a wikiserver for your ipod.
DVRPics ... serve a slide show for your network-attached TiVo Series2 (or later) to see
AirVideo ... mobile client to play videos from your computer. The AirVideo server converts videos on-the-fly to an ipod-friendly format
Radio
nin: access ... listen to Nine Inch Nails tracks, mashups, user-submitted tracks, etc and keep up to date with NIN
NPR News ... listen to National Public Radio stories
ClassicRadio, Pandora, Last.fm, Stitcher, Slacker, RBMA radio (and others) ... internet-based radio
Books & Maps
iBooks, Stanza, Classics ... portable books
Cookbook (Betty Crocker), AllRecipes, Epicurious ... recipe books
Trailhead (by The North Face) ... database of hiking trails
Google Earth ... mobile version of Google Earth
SkyVoyager, SkyGazer ... astronomy apps
News
TWC (The Weather Channel) ... weather forecasts
AP Mobile, CNet News ... general news apps
Networking
DSLR Speed Test
Network Utility ... Ping, Scan, GeoIP, Whois, local ip configuration display
FreePing
Ping lite ... ping, ping subnet, traceroute, telnet
Remote Control
Logitech TouchMouse ... control your PC's mouse (just the mouse) from the iPod
Games
Vector Tanks, Vector Tanks Extreme ... These are very similar to the arcade game BattleZone
ZombieFarm
Osmos
Morocco ... an implementation of Reversi or Othello
Lux Touch ... RISK for the iPod
Scramble 2 ... find words
Sudoku
Strategery
Sol Free
StoneLoops
FSS Hockey
Checkers
TapDefense
geoDefense
Zombies
Fun with Sound
SoundBox
WhiteNoise
SoundHound