this extension allows you to save the current state of Firefox (history, text data, cookies) and return to that state at any later moment. Besides the manually<sep/>
"Enter a search string, highlight the URL you want to bring up, and press return or double-click it. Tabhunter will even bring up minimized windows containing the target tab." [...] "Tabhunter is like Quicksilver for tabs."
"Zaru allows you to navigate through your tabs by searching." (You can add a search box to your toolbar and then find-as-you-type to narrow down your tabs.)
Snap Links allows users to easily open multiple links in new tabs by drawing a box around them. Links can also be opened in new windows, new tabs on a new window, copied to clipboard, bookmarked or downloaded. Go to the update history page to find a FF 3