Firefox Lightbeam is described as 'Lightbeam is a Firefox add-on that uses interactive visualizations to show you the first and third party sites you interact with on the Web. As you browse, Lightbeam reveals the full depth of the Web today, including parts that are not transparent to the average user' and is an app in the web browsers category. There are more than 10 alternatives to Firefox Lightbeam for a variety of platforms, including Mozilla Firefox, Google Chrome, Mac, Windows and Web-based apps. The best Firefox Lightbeam alternative is Privacy Badger, which is both free and Open Source. Other great apps like Firefox Lightbeam are Tos;DR (Terms of Service; Didn't Read), NoScript, Ghostery Tracker & Ad Blocker and Wappalyzer.