Noia 4 -the successor of Noia 2 eXtreme- offers many skin types, easy Personas usage and many settings inside 'Noia 4 theme manager'.
Noia 4 discontinued. Read info on main page or support forum.
Make your bookmarks bar better. Roomy Bookmarks Toolbar can: hide bookmarks/folders name, multirow, autohide and many another features(more than 20).
Customize your bookmarks bar using one add-on.
Created by http://BrandThunder.com where you can Build Your Own Browser Theme. Remove the limits of Personas. Get unlimited Personas, legible text; use with Firefox themes installed. Create your own Personas gallery; full CSS3 backgrounds, and more
This add-on allows one to customize the theme "Classic Compact". Options include: 10 different toolbar button sets; turning off gradient backgrounds; OS scrollbars; dark system color support; merging menu bar into one menu button; etc.
Mainly for Firefox 29+!
This add-on restores bookmarks menu known from older Firefox versions on Firefox Australis.
Use 'Customize (Toolbar)' menu to place the new bookmarks button on your favorite toolbar.
When you're using personas, for winXP and AeroBasic, show lightweight themes in normal size window (goodbye classic titlebar).
Enable "Reload-Stop-Go"-button appearance (on urlbar) known from Firefox 4-8.