All-In-One Sidebar
Helps view dialog windows such as downloads, extensions, and view source or websites in the sidebar.
DownThemAll
Download in just one click all the links or images contained in a web page.
Firefox Extensions
Official list from Mozilla Update. Extensions are small add-ons that add new functionality to Firefox.
FirefoxADM
Way of editing centrally managed locked and/or default settings in Firefox via Group Policy and Administrative Templates in Microsoft's Active Directory.
Firesomething
An extension for Mozilla Firefox to change the name in the title-bar and other places randomly.
Quitomzilla
An extension that aims to help you quit cigarettes while you surf the web or wait for new email.