HierarchicalDock is a simple application for creating folders in your Dock that have hierarchical menus with many cool features Apple didn't think of. This lightweight utility can show you invisible files; show QuickLook previews instead of file icons; lets you copy entire paths to files by holding down the control button and clicking on an item; and it lets you sort alphabetically, by last used date, or by creation date. You can also use HierarchicalDock to quickly open folders by holding down shift and clicking on the folder in the Dock.
Release Notes for v1.2:
x) Improved Performance
x) Fixed a bug that prevented creation of folders with "/" in the filename
x) Better positioning
x) Show Finder's color labels
x) Show number of items of subfolders
x) Fixed .essdocker extension bug for good (you may have to re-add folders with this new version)
x) Per-Folder settings (hold down option and command and click on the folder)
x) Doesn't mount servers anymore if not wanted
x) Fixed sizing of menus
x) Open QuickLook windows with option-click
x) Size of QuickLook Previews adjustable
Feature List:
x) Very lightweight, very fast
x) Can show you invisible files
x) Option: Show QuickLook Previews instead of file icons
x) You can copy entire paths to files by holding down the control button and clicking on an item
x) Sort: Alphabetically, by last used date, by creation date
x) Quickly open folders by holding down shift and clicking on the folder in the Dock