I use Windows Mobile V6.1. In addition to the standard Office applications that come with Windows Mobile, I use the following applications, which are presenting in order of usefulness:
- Pocket Player V3
I use it for for listening to podcast, Internet radio, and audio books. Great playlist management ($$).
- MobSync V2
I use it for syncing files between my phone and my laptop. Used every day for moving podcasts to my phone ($$).
Remote terminal from my laptop to my phone. Useful if you have to type a lot on the phone or need a mouse (free).
- Pocket Informant V8
I use it for contacts and agenda. The filtering for contacts and the agenda view are great ($$).
- TomTom V6
I use it for GPS any time I am in the car. Also useful when walking in a town ($$$).
- TOMBO version 2.0 beta 4
I use it for storing passwords, bank info, and reference notes. The simple text files are encrypted and are shared with the Windows version of Tombo; where I enter most of the info into Tombo (free).
- GSFinder V1.04
File manager which is a lot more feature filled (free).
- MortButtons 2.5
Finger friendly menu system (free).
- AE Button Plus V2.6
- Redefine any button on the phone. I have one button for ALT-TABing through the open applications and one for turning off the screen.
The last three applications I have not installed. I have only missed AE Button Plus V2.6, but the phone has been much more stable without it, so have not installed it.