I've tried with Duolingo quite a bit, but what I studied never seemed to stay in my memory. I've had much better luck with Language Transfer - https://www.languagetransfer.org Disclaimer: the guy who runs it is a…
I've made this so you can be notified by SMS when the dropbox API is working again: http://isdropboxback.slipszenko.net/
I've tried with Duolingo quite a bit, but what I studied never seemed to stay in my memory. I've had much better luck with Language Transfer - https://www.languagetransfer.org Disclaimer: the guy who runs it is a…
I've made this so you can be notified by SMS when the dropbox API is working again: http://isdropboxback.slipszenko.net/