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!
LeadBot by Drift - Qualify leads on your website without forms or humans
Visitor Queue - Better identify the companies that visited your website!
Mitch - The unofficial mobile app for itch.io
Elucify - A completely free software tool that uses crowdsourced data to find business email addresses
Clearbit - Clearbit provides Business Intelligence APIs