[Unperson-K]

Having moved to Berlin recently, I am now learning German. I have found Duolingo to be a really good way of building up a basic vocabulary and knowledge of grammar. You can easily spend just ten minutes a day and learn a fair amount.

http://www.duolingo.com/

[Nattering Nabob]

Another good one...

http://www.memrise.com

[Godstud]

Thank you. Memrise has Thai