I don't recall which ones came with the phone v which ones I downloaded. But the ones I use the most are:
Advanced Task Manager
Better Cut
Compass
Documents to Go Full Version
Google Sky Map
GPS Status
iMap Weather
Google Maps
AP Mobile
Bank of America Mobile Banking
MotoTorch LED
Power Manager
Radar Now
Smart Monitor
Toggle Screen Timeout
Ultimate Stopwatch
WeatherBug Elite
Wifi Analyzer
WiFi OnOff
WiFinder