Rated 5 out of 5 stars

Great plugin that keeps me using FireFox.
Using a retina display, I surely won't use FireFox if any other browser has Tree Style Tab.
Please note: Firefox crashes upon having a second Firefox windows when both Tree Style Tab and GreaseMonkey are enabled in FireFox 15.0.1

This review is for a previous version of the add-on (0.14.2012081101).  This user has a previous review of this add-on.