WP Plugin Themify Builder Pro 3.6.6

Builder Pro is a WordPress theme builder letting you create an entire site by dragging and dropping elements. Customize every template on a site visually: header, footer, post, page, 404, archive, WooCommerce, and more. Designing dynamic WordPress sites without any coding skills has never been this easy!

Builder Pro uses the same theme logic as the WordPress core. The templates that you create are associated with a Pro Theme. When you switch the theme, all the associated templates will be activated — with just a snap, you can change the entire site's design completely. Pro themes can be exported/imported from one site to another. So you can design the theme on your end and migrate it to your client's site.