It makes firefox have a sidebar like Vivaldi, opera and edge. Best thing!

Çok Kullanışlı bir eklenti

Very useful add-on, I'm using it every day and that's really helpfull
Thanks a lot !

simple et efficace, je recommande

Très bonne extension et pratique. Fonctionne parfaitement.

nice and easy! good job

Extension hyper pratique, stable et efficace.