BitPim is a program that allows you to view and manipulate data on many CDMA phones from LG, Samsung, Sanyo and other manufacturers. This includes the PhoneBook, Calendar, WallPapers, RingTones (functionality varies by phone) and the Filesystem for most Qualcomm CDMA chipset based phones. see when phones will be supported, which ones are already supported and which features are supported, see online help.
Snapshot:(click to enlarge)
The only location for the downloads of official versions of BitPim is here: BitPim SourceForge download page or bitpim official site.
If you want to know how/when your phone will be supported, what phones the developers have and other frequent questions, look in the FAQ.