Better Facebook! is a Firefox add-on, can tweak the functionality of Facebook, it makes Facebook better. Tabbed news feeds, advanced feed filters, hide read posts, highlight new comments, static header bar, enhanced navigation, friend tracker, expand similar posts, custom CSS.
If you want to improve your Facebook experience, than try this add-on. Its very efficient and easy-to-use.

Requirements:
* Firefox

The license of this software is Free, you can free download and free use this browser plug-ins software.