Life saver. I have so many login identities, life was impossible before this gem of an addon appeared.

Previously I've been using different profiles to separate work/personal stuff. The containers made my life way more easier. Love it!

Moooolto utile per tenere separati i vari ambiti (lavoro, vita privata, ecc) ed evitare il sovraffolamento delle schede

Fantastic piece of technology

This is a blessing from the gods for students/workers with multiple accounts on the same website, like Gmail.

Lo uso continuamente, es perfecto! No es útil sólo para evitar el cruzado de perfiles para publicidad, si no para buscar vuelos o evitar el login con Google. Tienes el control sobre cuando quieres ser anónimo y cuando no de forma simple y rápida. Además, con Cookie Quick Manager puedes manejar las cookies por contenedor.

Отличное дополнение. Не хватает двух вещей - автоматического скрытия других контейнеров при переключении на нужный. И синхронизации открытых вкладок в контейнерах.

(X) Free and Open Source
(X) Trustworthy company
(X) Modular

I'm a big fan of this way of implementing advanced features - not adding bloat to the main browser, but enabling these features to all. Also is a modular approach for the casual hackers to make their own extensions based off of it.