Clearbit - Clearbit provides Business Intelligence APIs
Optingun - Optingun helps online businesses to create forms to convert website visitors into subscribers using action driven popups and social optins.
ZoomInfo - ZoomInfo is a B2B database providing detailed business information on people and companies.
Novocall - Novocall converts web visitors into sales calls in seconds.
InsideView - InsideView aggregates and curates all the company and contact data, news and social insights, and professional connections you need to do business better.
BetterContactForm - BetterContactForm provides a solution to companies for building contact forms on the web or mobile site.