Web Directory

» ChromaTabs
   Tints browser tabs with a colour specific to the website loaded.
   http://labs.mozilla.com/2006/11/chromatabs/

» Coral IE Tab
   Enables to use the embedded IE engine within tabs of Mozilla Firefox.
   http://coralietab.mozdev.org/

» FaviconizeTab
   The width of the specified tab becomes small up to the size of favicon.
   https://addons.mozilla.org/firefox/3780/

» Firefox Showcase
   Shows tabs as thumbnails, to preview, manage and search across them.
   http://showcase.uworks.net/

» Group/Sort Tabs
   Sorts your tabs by domain/host name or last browsed date, immediately upon navigating to a different URL.
   http://codeoptimism.net/2009/12/27/group-sort-tabs-2-firefox

» LastTab
   Allows tab navigation in a most recently used manner.
   http://timothyhumphrey.name/firefox/lasttab.aspx

» Multiple Tab Handler
   Adds the ability of select multiples tabs at once by dragging the mouse. Features close, reload, bookmark, duplicate tabs or copy URIs commands.
   http://piro.sakura.ne.jp/xul/_multipletab.html.en

» Paste and Go 2
   Useful paste and go, paste and search added to search and location bar context menu.
   http://pasteandgo2.mozdev.org/

» Split Browser
   Splits the content area of the browser window as you like. Status of split browsers are saved, and automatically restored on the next startup.
   http://piro.sakura.ne.jp/xul/_splitbrowser.html.en

» Split Pannel
   Open panel to left, bottom or right (left, middle, right click) with current URL from Split on context menu.
   https://addons.mozilla.org/en-US/firefox/addon/3275

» SubmitToTab
   Direct the submission of a form to a new tab.
   http://dragtotab.mozdev.org/submittotab/

» Tab Click Options
   Let's you select an action to perform with different clicking events on the tab bar or a tab
   http://twanno.mozdev.org/tabclicking/

» Tab Flick
   A different way to move tabs between windows.
   http://www.xuldev.org/tabflick/

» Tab Groups
   Lets a user organize tabs into groups.
   http://paranoid-androids.com/tabgroups/

» Tab Kit
   Makes tabs more efficient for power users, bringing tab grouping, and tweaks such as multiple rows of tabs or displaying tabs as a tree.
   http://code.google.com/p/tabkit/

» Tab Mix Plus
   Enhances Firefox's tab browsing capabilities with lots of options.
   http://tmp.garyr.net/

» Tabs Menu
   Adds a Tabs menu to the main menu that lets you easily change between open tabs.
   http://mikelward.com/software/firefox/tabs-menu

» Tree Style Tab
   This provides tree-style tab bar, like a folder tree of Windows Explorer. New tabs opened from links are automatically attached to the parent tab. If you often use many many tabs, it will help your web browsing because you can understand relations of tabs
   http://piro.sakura.ne.jp/xul/_treestyletab.html.en