Using the Firefox Tabulator Extension

Work with the Tabs API - Mozilla

Manage container tabs efficiently from a side panel with the Container Tabs Sidebar extension for Firefox

Using the Firefox Tabulator Extension

Container Tab Groups – Get this Extension for 🦊 Firefox (en-US)

Find tabs quickly with the Tabhunter extension for Firefox and Chrome - gHacks Tech News

Firefox tabs organized

Tree Style Tab – Get this Extension for 🦊 Firefox (en-US)

Multiple Tab Handler – Get this Extension for 🦊 Firefox (en-US)

How to manage too many browser tabs in Chrome, Firefox, Brave, and Vivaldi

TST Tab Search – Get this Extension for 🦊 Firefox (en-US)

Auto Tab Discard – Get this Extension for 🦊 Firefox (en-US)