The fisheyetabs extension has similar goals, at least for avoiding scrolling and making tabs easier to locate (no grouping though). The implementation might not

The fisheyetabs extension has similar goals, at least for avoiding scrolling and making tabs easier to locate (no grouping though). The implementation might not be flawless, but I'd like to think that the concept is sound. https://addons.mozilla.org/en-US/firefox/addon/4845/ https://addons.mozilla.org/en-US/firefox/addon/4845/ Disclaimer: I'm the author of f.e.t.