Here’s the official description of Cairo Dock:
Cairo-Dock is a desktop interface that takes the shape of docks, desklets, panel, etc
It is designed to be light, fast and customizable, and is desktop-agnostic.
It has a powerful DBus interface, to be controlled from a terminal or another application.
Features can be added by plug-ins or applets, and applets can be written in C or in any language.
Most actions can be done from keyboard.
How to Install Cairo Dock 3.3.2 in Ubuntu 13.10
1. Open a terminal window.
2. Type in the following commands then hit Enter after each.
sudo add-apt-repository ppa:cairo-dock-team/ppa
sudo add-apt-repository ppa:xubuntu-dev/xfce-4.10
sudo apt-get update ppa:cairo-dock-team/ppa
sudo apt-get install cairo-dock
Read more: Linux G