MegaLeads - MegaLeads helps businesses reach out to their customer base and prospects by utilizing digital marketing and quality sales leads.
FullContact Card Reader - Automagically scan biz cards into LinkedIn/Gmail contacts
Gilbert Data Base - Gilbert Data Base is a Leading Service Provider In Data Appending Service, Business List, Technology Users List, Healthcare and business to business list.
Clearbit Connect - Clearbit Connect is a free extension that surfaces actionable information on the people who email you.
Discoverly - See connections and information from social networks as you browse
ZoomInfo - ZoomInfo is a B2B database providing detailed business information on people and companies.