F.B. Purity is a browser extension / add-on that lets you clean up and customize Facebook. It filters out the junk you don't want to see, leaving behind the stories and page elements you do wish to see, and is customizable to your taste.
Free • Proprietary
What is F.B. Purity?
F.B. (Fluff Busting) Purity is a Facebook customizing browser extension. It alters your view of Facebook to show only relevant information to you. It lets you remove the annoying and irrelevant stories from your newsfeed such as game and application spam, ads and sponsored stories. It can also hide the boxes you don't want to see on each side of the newsfeed.