"The multi-tool of phone data, BitPim, is a free, open-source,
cross-platform solution that can back up all or most of your
phone's data, put your home-baked ringtones on your phone for free,
and sync calendars and contacts between your apps and your vanilla
phone. Let's take a look at how to get started with BitPim on any
system and make the most of the device you take everywhere."