Cairo-Dock looks very nice and stylish. Available in a variety of image effects. You can set the animation for the icons. You can choose a theme dock. For example, you can configure the dock so that it looked like a normal panel.
The functionality of the dock, you can greatly extend using plugins. With plugins you can add to Doc elements for checking email, reading RSS feeds, display the weather, send messages to Twitter and so on.
Supports hot keys to quickly launch applications that you have added Cairo Dock.
Cairo Dock can completely replace the standard panel, Gnome or another desktop environment. Functionality Cairo Dock allows you to do this.
The program is not tied to a specific window Manager and can work with almost any of them. There are two versions of the program. One library uses OpenGL - Glx-Dock and has an extensive set of effects, and the other works without the use of Open GL.
Installation latest version into Linux Mint:
sudo add-apt-repository ppa:cairo-dock-team/ppa sudo apt-get update sudo apt-get install cairo-dock cairo-dock-plug-ins