AeroLeads - AeroLeads is a lead generation software which finds prospects with email and phone number.
Linked Helper - Linked Helper is a workflow automation tool for LinkedIn Sales Navigator and LinkedIn Recruiter.
Hunter - Find all the email addresses related to a domain
PersistIQ - It takes multiple touch points before a lead engages. PersistIQ automates the tedious parts while preserving the key human elements of sales
ZoomInfo - ZoomInfo is a B2B database providing detailed business information on people and companies.
Phantombuster - A marketplace of simple to use no-code APIs