Following on from @sil’s mention on Duolingo, I thought I’d see who speaks more than one language and where they learned their non-mother-tongue language. Or, which would you be interested in learning and why?
My mother tongue is English (UK). I learned a small amount of German at school, enough to structure conversations but not enough vocabulary to actually fill them. I guess it really depends what you want out of learning a language to decide whether this is good or not. I learnt a bit of Italian through Duolingo and Memrise (because I find one app gets very repetitive). This was just about enough to get by when I worked out there, for a short period. As I expected, I absorbed much more as I was there.
For me, I’d love to learn Maltese as this is my heritage. But it’s only spoken on the islands of Malta and it’s a very complex language, with its own alphabet (http://www.omniglot.com/writing/maltese.htm), so it’s not yet been available on any apps. I can speak a very small amount, but it would be nice to get more.