To install and run ZouBa :

1) install google chrome on your desktop machine : <https://www.google.com/chrome>
2) open url <chrome://extensions>
3) check the box next to 'Developer mode'
4) click 'Load inpacked extension...'
5) select the client/common directory from the git clone
6) click on the 'new tab' button in chrome (little trapezoid next to the top tab)
7) click on the 'ZouBa' icon (you may have to click on a '>' or '<' to get to the page with the extensions on)

Online version (might be not up to date) :

http://aaltowebapps.github.com/zouba