Leadjet - Save time and enrich your CRM with LinkedIn
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
Email Hunter for Chrome - Find all the emails related to a domain with just one click
Phantombuster - A marketplace of simple to use no-code APIs