Status bar widgets and progress indicators for Firefox 4+
Move Firefox Button to anywhere you want, and make it also available in Full Screen mode, or when Menu Bar is showing.
Add RSS icon back into location bar (URL) in Firefox 4.0. This icon was showed in Firefox 3.5/3.6 by default when page offered feeds.
Save links, images and web pages to user-defined folders and their sub-folders straight from context menu.
Vertical Tabs for Firefox with a space-efficient native look & feel.
Change location of Status Bar Icons, Firefox Menu Button and Menu Bar and more.
Personalize your Firefox Title Bar! Anything placed on Menu Bar will be moved to Title Bar.
Show less chrome by default unless it's needed
Tab grouping, multi-rows, tree view, and other tweaks. Firefox 4+ compatible!!
FfChrome is a nifty little addon that slims and trims your context menu on the fly for simplicity, ease of use, easy access and eliminates the clutter. One addon that makes your day-to-day life easier by increasing productivity.
Reclaims the browsing space by transforming Firefox 4's wide grey add-on bar into a neat set of buttons.