Velocify Lead Manager - Lead Scoring
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Everstring - EverString helps companies leverage data to optimize sales and marketing capabilities.
Clearbit - Clearbit provides Business Intelligence APIs
SalesWings - Lead website tracking, predictive lead scoring and lead intelligence as-a-service!
InsideView - InsideView aggregates and curates all the company and contact data, news and social insights, and professional connections you need to do business better.