What are some alternatives?
Slik Prospector - Find anyone's email. No bounces.
Lusha - Find Professional Contact Information on. Social Networks. Lusha's Chrome extension automatically scans the profile page you are visiting and provides additional, valuable contact information. LEARN MORE.
Clearbit Connect - Clearbit Connect is a free extension that surfaces actionable information on the people who email you.
Snovio - With Snovio you can find emails, verify them and run your email campaigns within minutes.
Leadfeeder Contacts - Find contact information for anonymous website visitors
Clearbit - Clearbit provides Business Intelligence APIs