You can run multiple tab containers[1] in Firefox as well as multiple Firefox profiles[2] at the same time. On Linux, I use: alias ff='firefox -ProfileMan

You can run multiple tab containers[1] in Firefox as well as multiple Firefox profiles[2] at the same time. On Linux, I use: alias ff='firefox -ProfileManager -no-remote &' [1] https://support.mozilla.org/en-US/kb/containers https://support.mozilla.org/en-US/kb/containers [2] https://developer.mozilla.org/en-US/docs/Mozilla/Firefox/Multiple_profiles https://developer.mozilla.org/en-US/docs/Mozilla/Firefox/Mul...