Shows tabs as thumbnails, to preview, manage and search across them.

Adds the ability of select multiples tabs at once by dragging the mouse. Features close, reload, bookmark, duplicate tabs or copy URIs commands.

Splits the content area of the browser window as you like. Status of split browsers are saved, and automatically restored on the next startup.

A different way to move tabs between windows.

Makes tabs more efficient for power users, bringing tab grouping, and tweaks such as multiple rows of tabs or displaying tabs as a tree.

Enhances Firefox's tab browsing capabilities with lots of options.

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.