Nymeria's browser extension enables you to find personal and professional email leads with the click of a button.
It has a nice add-on feature which brings up emails when browsing within LinkedIn. Very handy for recruiters!
Find real emails for people at any company. Anymailfinder is a competitor to Hunter and has one key advantage, it only charges for server verified emails. Pattern matched emails are free. You can test it for free.
As any of our own users will know -we're big fans of live 1-on-1 support, and Anymail Finder are pretty good at it.