IntouchApp - Universal contacts manager for mobile.
Waffle Journal - Shared journal for long-distance family
ContactRescue - Magically get your address book up-to-date and accurate
Mailform Postcards - Choose any photo and send it as a postcard!
Amplemarket Midas - Enriched contact information for your lists of emails
Postacard - Text a photo to send it as a postcard for $3.