iPhone PC Suite it's an alternative to itunes.
Here are some key features of "iPhone PC Suite":
· Download & Upload pics to and from PC and iPhone
· Camera
· Calendar
· Contacts
· SMS
· Photos- works 100% all in FULL RESOLUTION !!!! (upload / download)
· Notes
· eBook
· Call log
· SMS Chat- works 100%, send SMS to someone from PC through iPhone
· Safari, bookmark management
· Finder
· Backup/Restore
· Sound Themes
· Ringtones - they wont get deleted when synced with itunes !!! and the app converts them automatically...!!

Don't forget to update iPhone PC Suite after installation

Requirements:
· iTunes
· Jailbraked iPhone
· Microsoft .NET Framework 2.0