CONTACTBOX - CONTACTBOX combines the simplicity of an address book with effective functions of a CRM system.
ContactRescue - Magically get your address book up-to-date and accurate
Evercontact - Your contacts always up to date and automatically with Evercontact.
Wall Of Me - Wall of me: all your favorite socials in a single place.
Pobuca Connect - Connect with your contacts.
Clearbit Connect - Clearbit Connect is a free extension that surfaces actionable information on the people who email you.