Clearbit - Clearbit provides Business Intelligence APIs
Gainful.io - Capture B2B leads on AngelList, CrunchBase and LinkedIn
SEMRush - All-in-one Marketing Toolkit for digital marketing professionals.
LinkedIn Sales Navigator - Sales tool for LinkedIn users.
BrandWatch - The best social monitoring tool
RainKing - RainKing is a marketing system that supports sales teams with enterprise leads, customer leads and marketing in the IT sector.