coffee4dev

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/

Mega Menu

C4D Mega Menu will automatically convert your existing menu or menus into a mega menu. You can then add any WordPress widget to your menu, restyle you …

Tobias Nyholm

Webfish Dropdown Menu gives the site admin the alternative to add a dropdown menu. 
This plugin does not require any programming or adding lines in the source code. 
 Simply just activate the plugin, rename a menu, then customize it from the admin panel.
Webfish Dropdown Menu uses CSS to display the menu. There is no javascript included.
This plugin does not support the following at the current version:
<ul>
<li>vertical menus </li>
<li>background images for the submenu </li>
<li>multiple dropdown menus</li>
</ul>
For more information see installation page or the 
<a href="http://www.webfish.se/wp/plugins/webfish-dropdown-menu" title="Webfish - WordPress plugin" rel="nofollow ugc">Webfish</a> homepage.

Webfish Dropdown Menu

If you want a simple dropdown menu on your site and have no knowledge of coding, this is the plugin for you.

Mega Menu vs Webfish Dropdown Menu