Luupro - Get social about the projects you're working on!
OptiMonk - OptiMonk is the most powerful Onsite Retargeting platform, that helps you increase the conversion rate of your site, and get more leads by recovering lost visitors.
Waitlist API - Quick and easy waitlist with built in referral.
Elementor Popup Builder - Design-oriented popup builder, built into Elementor
Landing Pages in MailChimp - Easy to build, custom landing pages for free
13Chats - Pop-ups and widgets based on client actions on your website