Send Free SMS from your iPhone, even international SMS.

http://sms.dynadel.com/

Type documents on the iPhone in Landscape Mode (a commonly requested missing feature).

Save notes in folders and view them on a “Web-Desktop”.

Easy access to notes from the home computer later on.

http://www.iphonewebdocs.com

View non native data files from your PC or Intel Mac (using Parallels Desktop 3.0) on iPhone or iPod Touch. Also allows for PC/Mac Screen capture and attached web cam images.

http://www.myf2p.com

Get current local times around the world, accurately adjusted for each country’s local daylight saving time rules. Even save your favorites to come back to later.

http://www.worldtimeserver.com/mobile/

Vitalist is a great free ToDo application which allows you to create a wide variety of ToDo items, and has a very nice interface.

http://iphone.vitalist.com

Remote Desktop for Mobiles allows you to connect to your PC from anywhere, from your iPhone.

http://iphone.rdmplus.com

A simple mortgage calculator for your iPhone.

http://iphav.com/mc/Mortgage.html

Magic iEight Ball responds to your questions by you simply rotating your iPhone.

http://www.ieightball.com/

Need to tune up? Do it straight from your iPhone with this Guitar Tuning app.

http://iphoneguitartuner.com/

Calculate the monthly payment of term loans via your iPhone.

http://loan.orbitaldesigngroup.com/