Italki

Italki.com is a fantastic website to learn any language you can only think of. I was told it is free. Well, it is not. But it still seems to be worth recommendation. Why don't you try it? I am not sure but if I try, I will let you know.
I almost forgot to tell you. You can learn and teach as well so if you are a teacher of any language or just native speaker, why don't you give it a chance?

I am still under impression of visiting Berlin so let me add a few more photos. :)