Window List Indicator Shows a List of Open Windows

Window list is an application indicator to display a list of all the current open windows. Each window can be activated by selecting the entry form the list.

Install it by running following commands (Ubuntu 12.10, 12.04, 11.10, 11.04):

sudo add-apt-repository ppa:jwigley/window-list
sudo apt-get update
sudo apt-get install window-list