WP Mega Menu Pro Plugin is a Premium WordPress plugin, where you can easily add widgets in single or multiple groups wise. You can assign a specific column to a specific group if you selected multiple type groups for the mega menu. This plugin includes both horizontal as well as vertical mega menus, it is a built-in visual mega menu builder plugin with features to display menu as flyout or megamenu type with orientation as vertical or horizontal type.
Demo: https://codecanyon.net/item/wp-mega-menu-pro-responsive-mega-menu-plugin-for-wordpress/19190840
