9Hits - 9Hits is an auto traffic exchange system with a lot of unique features. Support creating interaction such as clicking, scrolling, bypass captcha. Alexa ranking.
Clearbit - Clearbit provides Business Intelligence APIs
Warmup Inbox - Warmup Inbox is a tool that automates the process of warming up your email inboxes, raising your sender reputation and inbox health automatically.
ZoomInfo - ZoomInfo is a B2B database providing detailed business information on people and companies.