Nymeria - Nymeria is an extension tool to find emails from public profiles.
Hunter - Find all the email addresses related to a domain
Roboscraping - Lead generation tool for recruitment Businesses to find their ideal clients
AnyMailFinder.com - Find anyone's email address
GetProspect - GetProspect is a Linkedin lead generation tool with email finder.
Norbert - Norbert is an online tool that helps you to find anyone’s corporate email address.