Popling

The Popling desktop application gives you an extra POP of motivation by showing you a new flash card every few minutes.

You can set how often and turn the app on and off, so it doesn't bug you when you don't want to be disturbed.

There are over 10,100 flash cards in more than 150 poplings in topics like:

-Learn Spanish
-Learn French
-Learn German
-Learn Japanese
-Learn Italian
-Learn Portuguese
-Learn Indonesian
-Chemistry
-Geography