Seems like it's been ported to firefox already: https://addons.mozilla.org/en-US/firefox/addon/tabwrangler/ https://addons.mozilla.org/en-US/firefox/addon/tabwr

Seems like it's been ported to firefox already: https://addons.mozilla.org/en-US/firefox/addon/tabwrangler/ https://addons.mozilla.org/en-US/firefox/addon/tabwrangler/