Pearltrees lets you organize all your interests.
A quick and minimalistic way to create bookmarks.
Go Parent Folder Requires Restart
Add "Go Parent Folder" menu to context menu in The Library list view and Search result in Bookmarks Sidebar.
Ubuntu-it Menu Requires Restart
Quick navigation menu through all the resources of the Italian community of the Linux distribution Ubuntu (www.ubuntu-it.org). Allow also a quick navigation through some resources of other Ubuntu communities including the international one.
Bring your bookmarks into view with just a gesture. Move the sidebar across the screen. Open a different sidebar by just clicking its title. And more! Keeps your sidebar simple and quick to access!
Speed Dial [FVD] - New Tab Page, Sync... Requires Restart
FVD Speed Dial - Speed dial button, online synchronization, new tab start page, bookmark organization, custom backgrounds, custom dials, groups, mobile apps, most-visited dials.
FavIcon Reloader Requires Restart
FavIconReloader reloads Favourite Icons by retrieving information from all bookmarked web sites.
Double-click action for Firefox -
double-click Link, Bookmark/History to open in new tab (emulate ctrl+click).
Display history menu, tab list menu, bookmarks menu, toggle tab groups, panorama or various sidebars with middle mouse button.
Galipabi Forum Menu Requires Restart
Navigate to Galipabi Forum..
Classic Bookmarks Button Requires Restart
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.
Edit Middle Requires Restart
Show AwesomeBar results when editing in the middle (not just at the end)
Star-Button In Urlbar Requires Restart
Moves star-button back into urlbar.
Make sure to have a bookmarks button replacement installed for still being able to access bookmarks menu. 'Classic Bookmarks Button' or 'Classic Theme Restorer' will do the job.
More In Content UI Requires Restart
More In Content UI in Firefox 4!
Bookmark Quick Mover Requires Restart
Quickly move bookmarks.
Add all bookmark folders into bookmarks context menu to make moving bookmarks easier.
PageShortcuts Requires Restart
Quickly access frequently used bookmarks through the autohide menu...
Show Parent Folder Requires Restart
Show Parent Folder in list view of Library.
Quickly replace an existing bookmark
My Homepage Requires Restart
My Homepage is a very useful extension which loads your Home Page whenever you open a new tab.