Mega Menu Magento 2 changes the way main menu displays. It allows you to have multiple options to show what you want on the main navigation.
Allow to add unlimited menu

Automatically generate the code to add menu to everywhere you want

Allow to add different menu for different store

Allow to create menu for category, cms page or any URL

Support multiple columns

Easy to add category links to menu

Allow to add icon/custom HTML to menu

Support custom class to help you easily customize style for menu

Allow to use editor to edit content easier

Allow to insert whatever widgets (similar to widget insertion of a CMS page)

Allow to embed video, frame to menu content

Support for mobile menu