Elementor - Elementor is a front-end drag & drop page builder for WordPress.
Productify - Sell your WordPress content using Gumroad
Layers - A simple Wordpress site builder & its free forever
Typeboost - Music stops when you stop typing. Stay focused while writing
Divi Theme - A flexible WordPress theme with the power of Divi Builder built in.
Additor beta - Pocket and Evernote got a minimal and collaborative baby