iOS-like dark menu bar for OSX
omega theme: dropdown menus for the main menu without a module
This module adds some common-sense usability to Drupal's menu system
This module allow to set the Menu Settings with certain Menus for content editing by Content Type.
Navigate is a module that adds non-intrusive navigation tools for site administrators, including customized ajax-based site search, a favorite widget and a collapsible menu widget.
create the structure of a site, complete with placeholder pages, custom paths and proper placement in the menu structure without the tedium of the Drupal GUI