The JLoMenu module uses Moofx slide effects to display/hide your menus.

This is a Joomla! module that will display the menu and submenus in an unordered list format.

This module will display your menu with a nice zooming effect.

CustoMenu! is an extremely powerful menu module. It gives you full control over the display of your menu. You my use one of your menu's or be completely independent of the Joomla! menu structure by selecting items from different menu's. Then you get ...

CustoMenu gives you the ability to have up to 12 menu items in your menu, which should be more than enough.

This module, based on mainmenu module, displays a vertical menu using Accordion Content Script.