Unfriend Finder for Facebook
The Download Now link takes you to the product page where the user may follow the instructions to install the add on.
Publisher's Description
From Edouard Gatouillat:
Unfriend Finder for Facebook is a realtime script that allows you to know wich one of your old friend removes you on Facebook. It also work with people you remove, and people who deactivate their account. A json database keeps record of your friend list, and compare to each refresh. Realtime notifications and counter in the facebook menubar/left filter. MenubarLink redirects you to /friends/ page, with two more links for "Unfriends" and "Awaiting request". Filter keeps you to your homepage.