A simple and lighweight plugin for creating mega menu.
You can set a menu item to mega mode in Menu manager.
A sidebar will be auto created and insert to this menu item.
Than you can insert widget to this sidebar.
To enable options page, please install and active C4D Plugin Manager and Redux Framework
https://wordpress.org/plugins/c4d-plugin-manager/
https://wordpress.org/plugins/redux-framework/
This plugin is used in C4D Vision - Responsive WooCommerce Theme
You can view here
http://coffee4dev.com/responsive-woocommerce-theme-c4d-vision/