Kurlo   
http://kurlo.com

Kurlo (Keeping UR Life Organized) is a user-friendly contact manager designed for personal or small business use. It accommodates multiple users, allowing each user to maintain his or her own set of individual and organization contacts, address books, address lists, email lists, preferences and email information and messages. Additional features include birthday and anniversary tracking, address label printing, envelope printing, user-defined address lists, import and export, quick and advance search modes, user-defined email lists and email capabilities. Registered users are entitiled to free updates for LIFE.