DiscoverOrg - DiscoverOrg is an IT sales intelligence platform providing technology marketers access to data, IT org charts, and real time projects.
SE Ranking - All-in-One cloud-based SEO software for agencies, marketing teams and webmasters
Clearbit - Clearbit provides Business Intelligence APIs
DeskAlerts - Send alerts to any corporate device: PCs, phones, tablets, etc.
LinkedIn Sales Navigator - Sales tool for LinkedIn users.
SEMRush - All-in-one Marketing Toolkit for digital marketing professionals.