Referrer Spam Remover - Remove spam bots from your Google Analytics data

Clearbit - Clearbit provides Business Intelligence APIs

Spam Check - A free JSON API to check your email messages' spam scores

ZoomInfo - ZoomInfo is a B2B database providing detailed business information on people and companies.

CanIPhish - Blend social engineering with real-world phishing simulations to train your users how to detect the most advanced threats.All in a completely self-service, fast, free and modern SaaS platform.

DiscoverOrg - DiscoverOrg is an IT sales intelligence platform providing technology marketers access to data, IT org charts, and real time projects.