Firefox Multi-account Containers
Lightbeam for Firefox
island
Tree Style Tab
App Cloner
AllAccounts
Session Box
Parallel Space
Tabd
Tabs Outliner
OneTab
Session Box
Kurator
Toby
Session Buddy
tabExtend
TabdLightbeam 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.
Tabs Outliner - Next Generation Session, Windows, Tabs Manager and a TooManyTabs Solution That Really Works.
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.
Tree Style Tab - Tree Style Tab is an all-in-one Firefox extension that provides ability in order to operate tabs as a tree.
Session Box - Using websites with multiple accounts at the same time is made easy.
