Poptin - Create engaging and high converting website pop ups and contact forms in minutes. With Poptin, you get access to a feature-packed conversion rate optimization toolkit that converts more website visitors into email subscribers, leads, and customers.
Clearbit - Clearbit provides Business Intelligence APIs
Magic Popup by Frontender - Convert visitors Into email list subscribers
ZoomInfo - ZoomInfo is a B2B database providing detailed business information on people and companies.
Remindee - Capture & convert more attendees for live and online events.
InsideView - InsideView aggregates and curates all the company and contact data, news and social insights, and professional connections you need to do business better.