What are some alternatives?
When comparing Email Hunter for Chrome and Clearbit Connect, you can also consider the following products
Hunter - Find all the email addresses related to a domain
Slik Prospector - Find anyone's email. No bounces.
Clearbit - Clearbit provides Business Intelligence APIs
RocketReach - RocketReach allows you to lookup email and phone for 250+ million professionals.
LinkedIn Sales Navigator - Sales tool for LinkedIn users.
Leadfeeder - Leadfeeder converts your website visitors into sales. Connect your website's Google Analytics to Leadfeeder and unlock the power of seeing who`s visiting your site!