I currently have these installed:Jailborked apps:
Cycorder - lets you take videos
MXTube - lets you stream or DL youtube videos
Boss Prefs - does tons of useful stuff like hiding unused app icons, etc
Console - txt based console prompt...you know kinda like dos...
pdanet - tether phone to lappy for instant internuts access! zomg so badass, but keep phone plugged in!
insomnia - leaves net/wifi connection open once the phone hibernates
backgrounder - lets you have programs stay open in the background. Run this and insomnia and you can stay connected to AIM or whatever.
VLC player - play regular avi's, mpg's, and sh*tload other formats straight off the phone without need of conversion.
MPlayer - similar to VLC
Genesis4iphone - sega genesis emulator
NES4iphone - NES emulator
MAME4iphone - MAME emulator
Scumm VM - emulator to play oldschool click type games like Lucas Arts Digg, Full Throttle and Sam and Max...
iDrums - drum set on your phone!
Flashlight - Real deal flashlight. Unlike ones from that app store that Apple doesnt allow to adjust screen brightness, this ones goes to Max brightness automagically."app store" apps:
Winadmin - control windows remote desktop from zhe phone
Jaadu vnc - VNC program...similar to winadmin...
remote - itunes remote
dynolicious - G-tech killer
units - convert every unit your heart can ever desire
airsharing - share files n stuff
starmap - map for stargazing
beejive - best chat program imo
wootwatch - WOOT!
starwars force unleashed - lightsabers ohh my
Labyrinth - play with my shiny balls pls
idoodle2 - kinda like mspaint
Crash Bandicoot - racing game comparable to mariokart
Raging Thunder - need for speed type game
Superball2 - Arkanoid type game