Wield Menu Wordpress Plugin - Rating, Reviews, Demo & Download

Plugin Description
This plugin makes long and complex navigation menus better manageable by creating groups that can be expanded and collapsed.
By default, all navigation menus in wp-admin will be collapsed. When holding the Option/Alt-key while clicking, all sublevels will be expanded with one click.
For general support, please use the support forums on wordpress.org
For developers: Head over to the Github repository
For everything else, find me on twitter or slack
Screenshots
Default WordPress navigation menu UI
The same menu after plugin activation
Expanded 1st level
Expanded 2nd level