Beautiful and nicely addons!!
Just one point is it super heavy for my old laptop...

прикольно

With my tendency to open a dozen windows with a dozen tabs each, Tabby's search feature alone is worth the five stars. The rest of this amazing add-on is the icing on the cake.

if you are someone with a lot of firefox windows, a lot of tabs in each, and sometimes wonder in which window you have opened a particular tab, or if you still have a tab open for a particular site... this addon is for you. I love it!

It would be nice to have an auto-save feature, so we could rollback in time so we don't need an extra addon for that.