Mac users interested in Cdock 9.5 generally download:
cdock is a small program to install a 2D dock on OS X 10.9 (Mavericks) and 10.10 (Yosemite). There are several dock styles included and users can also create their own custom docks.
Features: Customize Mavericks Dock, Customize Yosemite Dock, 2D dock in Mavericks, Transparent Dock.