Clearbit - Clearbit provides Business Intelligence APIs
Pipedrive - Sales pipeline software that gets you organized. Helps you focus on the right deals, so easy to use that salespeople just love it. Great for small teams.
SEMRush - All-in-one Marketing Toolkit for digital marketing professionals.
Zoho CRM - Omnichannel CRM for Businesses of all sizes
LinkedIn Sales Navigator - Sales tool for LinkedIn users.
Freshsales CRM - A full-fledged CRM for high-velocity sales teams.