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!
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
LeadBot by Drift - Qualify leads on your website without forms or humans
ZeroBounce - Removes invalid emails from your list to prevent email bounces from ruining your deliverability.