Elementor - Elementor is a front-end drag & drop page builder for WordPress.
Squarespace Coverpages - Make a stunning single page website in minutes
Layers - A simple Wordpress site builder & its free forever
Dev Page - Simple one page profile for makers
Divi Theme - A flexible WordPress theme with the power of Divi Builder built in.
The Landing Page Cookbook - A guide for makers who want to create better landing pages.