<div style='font: 10pt verdana; text-align: left; padding: 0% 10% 0% 10%; '><a href=https://update.mozilla.org/extensions/m ... =749>Focus Last Selected Tab</a>: By default, when you close a tab, it just cycles you to the next tab in the list. This extension instead cycles you to the last tab you had selected. Much more intuitive, works more like how windows in a desktop environment do.
<a href=http://superdragandgo.mozdev.org/instal ... html>Super Drag And Go</a>: I consider this the best extension yet. Clicking on and dragging a link to empty space opens the URL up in a new tab. It make navigation wonderful.</div>