Navigation

Advanced Menu Widget

http://wordpress.org/plugins/advanced-menu-widget/

Nice Navigation

Sitemap/Menu-Tree in der Sidebar

http://wordpress.org/plugins/nice-navigation/

JQuery Vertical Mega Menu Widget

http://wordpress.org/plugins/jquery-vertical-mega-menu/

Anleitung, CSS
http://www.designchemical.com/lab/jquery-vertical-mega-menu-plugin/getting-started/

Tutorial
http://www.advdigitalconsulting.com/wordpress-plugin-%E2%80%93-jquery-vertical-mega-menu/

WordPress MooTools Tree Creator

http://wordpress.org/plugins/wp-moo-tree/

Weitere…

CSS-Menu

http://wordpress.org/extend/plugins/tags/suckerfish

CSS-Menu

Auch zur Integration in WordPress und Blogspot

http://cssmenumaker.com/

Links

http://wordpress.org/plugins/tags/tree

http://www.scratchinginfo.com/best-wordpress-menu-plugins-for-better-navigation/

http://www.tripwiremagazine.com/2013/02/wordpress-menu-plugins.html

http://www.trendleaks.com/2013/04/wordpress-menu-plugins-improve-your-navigation/

http://www.dzineblog360.com/2013/02/15-developers-top-ranked-wordpress-mega-menu-plugins/