Tab Utilities
Tabs Outliner
Tree Style Tab
OneTab
Session Buddy
Duplicate Tabs Closer
Undo Close Tab
UndoClose
Firefox Multi-account Containers
Lightbeam for Firefox
island
App Cloner
Tree Style Tab
Session Box
AllAccounts
Simple Tab Groups
Tab UtilitiesTabs Outliner - Next Generation Session, Windows, Tabs Manager and a TooManyTabs Solution That Really Works.
Lightbeam for Firefox - Mozilla is the not-for-profit behind the lightning fast Firefox browser. We put people over profit to give everyone more power online.
Tree Style Tab - Tree Style Tab is an all-in-one Firefox extension that provides ability in order to operate tabs as a tree.
island - a free and opensource alternative to parellel space
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.
App Cloner - Clone your Android apps so you can use multiple logins.
