Master Popups is a WordPress Plugin that allows you to convert your website visitors into Subscribers and Clients by saving the Email, First Name, Last Name, Phone and other data through Popups and Subscription Forms.
Demo: https://codecanyon.net/item/masterpopups-multipurpose-popup-plugin-for-wordpress-with-easy-email-marketing-integration/20142807
Internet is full of boring popups. So, it’s a time to break this trend. That’s why we created Green Popups (formerly Layered Popups).
Demo: https://codecanyon.net/item/layered-popups-for-wordpress/5978263
WooCommerce Boost Sales stimulates the purchase of customers by up-selling, cross-selling. Increase revenue as well as profitability for your website, stores.
Demo: https://codecanyon.net/item/woocommerce-boost-sales/19668456
Modal popup windows are fancy popups also known as Lightboxes. You can make modals / lightboxes for whatever you want.
Demo: https://regularlabs.com/modals
Popup Press is a Wordpress plugin that lets you easily create elegant popups. This plugin is intended to insert any type of content in a Popup of the fastest and easiest way on any page of Wordpress.
Demo: https://codecanyon.net/item/popuppress-popups-with-slider-lightbox-for-wordpress/5197157
Ninja Popups combines a professionally designed popups to convert visitors on your site / blog into taking an action whether its subscribing into your newsletter.
MyShopKit Popup SmartBar SlideIn has every features for Popups & Smartbars to grow up your email list, create promo banners or make announcement.
Demo: https://codecanyon.net/item/wookit-email-popups-cart-abandonment/33792457
The Snitcher adds wide functionality for creating popups on different pages with any content.
Demo: https://codecanyon.net/item/popups-and-notifications-for-wordpress-snitcher/32271263
In WooKit has all the features for the pop-ups and smart panels, allowing to expand the distribution list, create banner ads or make an announcement.
Demo: https://codecanyon.net/item/wookit-email-popups-cart-abandonment/33792457