ContactRescue - Magically get your address book up-to-date and accurate
LinkedIn Sales Navigator for Gmail - Rich contact profiles inside Gmail
Wall Of Me - Wall of me: all your favorite socials in a single place.
Clearbit for Salesforce – Lite - Rich data on every record in Salesforce for free!
Clearbit Connect - Clearbit Connect is a free extension that surfaces actionable information on the people who email you.
Clearbit - Clearbit provides Business Intelligence APIs