One of Firefox's best features -- especially if you're in IT -- is its support for add-ons.
No. 7: Undo Closed Tabs Button
No. 7: Undo Closed Tabs Button
If only I had a dollar for every time I closed a tab by mistake. With Undo Closed Tabs, you can reopen that tab right where it was, no muss, no fuss. Unfortunately, no dollar, either. DOWNLOAD
