Ranked in these QuestionsQuestion Ranking
Pro Lots of small improvements to the dock
Hyperdock adds a lot of small improvements to the default mac dock, like better iTunes controls and calendar event previews.
Pro Select individual application
Select individual application windows just by moving the mouse on a dock item, use mouse clicks to quickly open new windows and many more.
Pro Lets you easily find a window you have open
Pro Scroll up/down on menu bar to change size
Scroll up for full size.
Pro Snaps to corners
Con Can't bring back the 3d dock
Con Not under active development
Hyperdock doesn't seem to be under active development and hasn't been updated since october 2014.