> * Has tab groups. There doesn’t seem to be a tab group add-on for Firefox that works like Chrome’s tab groups. Have you tried Tree Style Tabs? Presents your

> * Has tab groups. There doesn’t seem to be a tab group add-on for Firefox that works like Chrome’s tab groups. Have you tried Tree Style Tabs? Presents your tabs as a collapsible, hierarchical sidebar tree. Even when Chrome was kicking Firefox's ass in every other aspect, I stuck with FF because of TST. It's so much better than any other UI for tab management I've ever seen. If you go through the steps of disabling the top tab bar and sidebar padding elements in user chrome CSS, it's more space effective than anything else too.