Genesis Framework - The Genesis Framework empowers you to quickly and easily build incredible websites with WordPress.
Monstroid2 - Monstroid is a multi-purpose modular WordPress emulator, which gives you the power of unlimited creation of designs for your site, provides you premium themes with built-in readymade templates.
Headway Themes - Headway is an advanced, drag-and-drop layout builder and theme framework for WordPress.
GeneratePress - Responsive, easy to use WordPress theme
Divi Theme - A flexible WordPress theme with the power of Divi Builder built in.
Envato Elements - Envato Elements is an advanced level subscription-based service that provides you with access to more than nine millions of downloadable digital assets for your projects.