Multi-column mega menu dropdown?

Question

I have UIX requirement to implement multi-column/mega drop downs. Can somebody provide code, available jquery plugin, programming best practice/advice to achieve this UI functionality (yes I have googled and did not really see anything appealing?

DISCLAIMER for editors: This is a general ask. Not sure what "technical" criteria needs to be called out here but if you need more info please inquire about what I can include to make this helpful or less ambigous and I can edit my response (or feel free to edit please, thx!).

Answer 1

Here are a few examples:

• http://www.designchemical.com/lab/jquery-mega-drop-down-menu-plugin/getting-started/
• http://www.visibilityinherit.com/code/mega-drop-down.php
• http://codecanyon.net/item/css3-mega-drop-down-menu/126387

Answer 2

You can also check the following free

1. Css only megamenu dropdown tutorial
2. Javascript megamenu dropdown