Free language courses (organizations + links) | Corsi di lingua gratuiti (organizzazioni + link)

Babbel (https://www.babbel.com/learn-italian);
Duolingo (https://www.duolingo.com/course/it/en/impara-italiano-online);
OneWorld (http://oneworlditaliano.com/english/italian/italian-course-free-online.htm);
BBC (http://www.bbc.co.uk/languages/italian/);
Loecsen (https://www.loecsen.com/en/learn-italian);
Iluss (http://www.iluss.it/)