Gotta admit. I've been using Session Manager [1] for years. It's a bit clunky, but it works pretty well once you figure out the UI for saving tab sets. It appea

Gotta admit. I've been using Session Manager [1] for years. It's a bit clunky, but it works pretty well once you figure out the UI for saving tab sets. It appears the primary complaints also revolve around its poor UI, but hey, I'm used to it. ;) [1] https://addons.mozilla.org/en-US/firefox/addon/session-manager/ https://addons.mozilla.org/en-US/firefox/addon/session-manag...