Clearbit - Clearbit provides Business Intelligence APIs
1CRM - 1CRM is an All-in-One CRM solution for sales, marketing, project and order management. Download 1CRM Free, and find out why it's right for your business.
ZoomInfo - ZoomInfo is a B2B database providing detailed business information on people and companies.
Pobuca Connect - Connect with your contacts.
InsideView - InsideView aggregates and curates all the company and contact data, news and social insights, and professional connections you need to do business better.
Contact Boss - CRM database management tool for managing contacts