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!
Email Verifier - Email verifier app lets you verify email.
LeadBot by Drift - Qualify leads on your website without forms or humans
NeverBounce - Real-time email verification and cleaning to ensure emails never bounce.
Mitch - The unofficial mobile app for itch.io
Email List Verify - The Fastest Way to Improve Email List Deliverability and ROI