Undo Closed Tabs Button
Tabs Outliner
Tab Utilities
Undo Close Tab
UndoClose
Undo Close Tab Button
Tree Style Tab
Open Tabs Next to Current
Sidebery
OneTab
Tree Style Tab
Session Buddy
Tabs Outliner
Firefox Multi-account Containers
Workona
Simple Tab Groups
Undo Closed Tabs ButtonTabs Outliner - Next Generation Session, Windows, Tabs Manager and a TooManyTabs Solution That Really Works.
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.
Tab Utilities - Tab Utilities is an ultimate tab solution for all kind of users who want to manage their tab, create multiple session and search for new tabs, etc.
Tree Style Tab - Tree Style Tab is an all-in-one Firefox extension that provides ability in order to operate tabs as a tree.
Undo Close Tab - Reopens the last closed tab.
Session Buddy - Manage Your Browser Sessions
