So, I haven't used lang-8 in quite a while, but iirc the site isn't really like duolingo etc; i.e. it doesn't contain any courses for specific languages. It is

So, I haven't used lang-8 in quite a while, but iirc the site isn't really like duolingo etc; i.e. it doesn't contain any courses for specific languages. It is more of a social-like site where you post something random in a language that you'er learning and someone corrects it. And in turn, you correct someone else that's learning your native language.