Window-list is an application indicator to display a list of all current open windows via indicator. Each window can be activated by selecting from the list.
To install Window-List indicator in Ubuntu/Linux Mint open Terminal (Press Ctrl+Alt+T) and copy the following commands in the Terminal:
That's it, enjoy
- sudo add-apt-repository ppa:jwigley/window-list
- sudo apt-get update
- sudo apt-get install window-list
Source: jwigley @ Launchpad