Duolingo is the most popular way to learn languages in the world. Best of all, it's 100% free!
Duolingo doesn't support Firefox's password manager
Firefox has a built-in password manager which can automatically fill in log-in forms with saved credentials. It doesn't, however, work with Duolingo, thus requiring me to manually type in username and password each time. I'm using Firefox 21.
5 years ago