Show less chrome by default unless it's needed
Reclaims the browsing space by transforming Firefox 4's wide grey add-on bar into a neat set of buttons.
Operator leverages microformats and other semantic data that are already available on many web pages to provide new ways to interact with web services.
Note from Mozilla: This add-on has been discontinued. Try Google Minimalist instead.
CustomizeGoogle enhances Google by adding information and removing unwanted information.
F1 has been replaced with Firefox Share (alpha) at https://addons.mozilla.org/en-US/firefox/addon/firefox-share-alpha/
Fill in the rest of words as you type them into the location bar
Suggest words from the page when finding
An extension that allows for the use of dynamic commands in Firefox.
A maintained version can be installed via: https://bitbucket.org/satyr/ubiquity/downloads/tip.xpi
A Mozilla Labs Experiment: Adds a database of information about people to Firefox.
Collections are groups of related add-ons that anyone can create and share.Explore Collections