Novocall is an international callback software to help you capture and distribute qualified sales call leads for inside sales and sales teams.
Callpage - Turn website visitors into sales calls. Use CallPage and provide immediate free phone callback to your leads in 28 seconds.
Clearbit - Clearbit provides Business Intelligence APIs
LiveCall - LiveCall is a callback software that enables users to talk by voice with people who are currently visiting a website in 25 seconds.
ZoomInfo - ZoomInfo is a B2B database providing detailed business information on people and companies.
Inbound Rocket - Converts visitors into leads, subscribers & customers
InsideView - InsideView aggregates and curates all the company and contact data, news and social insights, and professional connections you need to do business better.