Tab Group Switch
Simple Tab Groups
Simplified Tab Groups
Panorama View
Tree Style Tab
Firefox Multi-account Containers
Tiled Tab Groups
Tree Tabs
Power Tabs
Simple Tab Groups
Panorama View
Simplified Tab Groups
OneTab
Tree Style Tab
Tiled Tab Groups
Tabs Outliner
Tab Group Switch Power TabsSimple Tab Groups - Create, modify and quick change tab groups. Features:
Simplified Tab Groups - This Firefox addon provides tab grouping features similar to the removed TabView/TabGroups/Panorama...
Panorama View - Tab Groups with Panorama View. Lets you easily Group and manage Tabs visually, with tab hiding.
Tree Style Tab - Tree Style Tab is an all-in-one Firefox extension that provides ability in order to operate tabs as a tree.
OneTab - Whenever you find yourself with too many tabs, click the OneTab icon to convert all of your tabs into a list. When you need to access the tabs again, you can either restore them individually or all at once.
Firefox Multi-account Containers - Sign in to two different accounts on the same site