Add menu separators to navigation
Allow separator (HR / line) and unlinked, text-only entries in WordPress' classic navigation menus.
Plugin Tag: wp_nav_menu
WPML flag in menu Extended
Shows flags of WPML translated content in selected menu's
Disable Parent Menu Link
A plugin which allows you to disable parent menu link created through wp_nav_menu function.
Sweet Custom Menu
This is a simple plugin to add custom attributes to WordPress menus.
WPML flag in menu
Shows translated flags (for every language except current viewing lang) in the default or wp_nav_menu…
MAJpage Menu Class Extender
Adds classes to first, last, parent, even and odd elements of wp_page_menu and wp_nav_menu.