Restyle the web with Stylish, a user styles manager. Stylish lets you easily install themes and skins for Google, Facebook, YouTube, Orkut, and many, many other sites. You can even customize Firefox and other programs themselves.
Fight the text ads! Element Hiding Helper is a companion extension for Adblock Plus meant to make creating element hiding rules easier.
This add-on is a downloader that lets you easily download videos from sites like Youtube, Facebook, Metacafe, Dailymotion, Break, VKontakte and music for example from SoundCloud, Grooveshark and from many other sites...
The User Agent Switcher extension adds a menu and a toolbar button to switch the user agent of a browser.
A customizable mouse gestures extension which enables to execute various commands and user scripts with six types of gestures.
Autofill Forms enables you to fill out web forms with one click.
Integrates location bar and search bar into one. Shows search and url suggestions. Quickly switch search engine using search keywords. Provides different auto-complete popup styles for compact displays.
Bypass compulsory web registration with the context menu via www.bugmenot.com.
DOM Inspector is a tool that can be used to inspect and edit the live DOM of any web document or XUL application. The DOM can be navigated using a two-paned window displaying a variety of different views on the document and all nodes within.
Helps you to save web pages and organize the collection. If you are using Firefox 18 or newer, use the beta, which is available on the development channel.
This extension can simplify the rule to just specify the URI and Content type and can enable/disable each rule separately.
What's more, it can customize the web pages by user scripts which is similar to Grease Monkey.
Extension to clean and vacuum your firefox places database.
Collections are groups of related add-ons that anyone can create and share.Explore Collections