I know that the 'Custom Admin Bar' plugin will let you add a single drop down menu on the right hand side of the admin bar, but what if you need to create multiple dropdown menus? Such as what you've done on premium.wpmudev.org with the 'Manuals' menu in the admin bar.
Did you hard code that, or were you able to use 'Custom Admin Bar' instead? The post here refrences "The Custom Admin Bar plugin lets you …Create dropdown menus " but when I look at the plugin, I don't see how to create multiple menus: https://premium.wpmudev.org/blog/add-links-wordpress-admin-bar-toolbar/
I'm looking at possibly using this plugin, http://wordpress.org/plugins/custom-adminbar-menus/ , but the lack of user reviews is troubling.