Unfriend Alerts alerts you any time someone removes you from their friend list.
The unfriend finder for facebook will alert you anytime someone removes you from their friend list.
Please note that Unfriend Alerts injects ads into Amazon.com, Yahoo.com, Twitter, Tumblr, etc. The ads are clean advertisements from established ad networks. You will see a maximum of one ad injected on a page of these sites and they do not in any way interfere with the functionality of the sites or appear to be from the site. They do not interfere with other ads placed by these sites. You can identify our ads by clicking on the About This Ad link under the ad; the link will take you to our Unfriend Alerts website where you can inspect our ads policy. You are also able to close any of our ads by clicking on the Close link under the ad. If you have any questions, please don't hesitate to contact us at firstname.lastname@example.org.