Clearbit - Clearbit provides Business Intelligence APIs
Optmyzr - Optmyzr AdWords Tools. Optimization Solutions, Quality Score Tracker, Landing Page Checker, and more. Free Trial Available.
SEMRush - All-in-one Marketing Toolkit for digital marketing professionals.
LiveIntent - LiveIntent is a web platform that offers effective e-mail advertising services for marketers and publishers.
LinkedIn Sales Navigator - Sales tool for LinkedIn users.
Affise - Affise offers performance marketing solution to manage and analyze affiliates, advertisers, creatives, conversions, offers, and payments.