pootle page builder helps you create stunning pages with full width rows including parallax background images & videos.
WP App Studio is the #1 Visual Development Tool for building custom post types, fields, taxonomies, views, widgets, forms, notifications, charts ...
When using a Theme Blvd theme, this plugin gives you slick interface to build custom layouts.
For Genesis Framework: Allows modifying of default layouts for homepage, various archive, attachment, search, 404 pages. Plus: up to 9 new layouts!