AddressBookSync is a free Mac OS X application to download profile pictures and other Facebook data to Address Book cards. This is a handy tool to keep your contacts' pictures updated if you have numerous Facebook friends in your Mac OS X Address Book.

This website provides an independent and open tool for scanning your Facebook privacy settings.

Incarnate finds your avatars around the web, so you don’t have to upload a new one every time you join a service or leave a comment.