I've used AnkiSRS and recommended them, but I still don't have a good solution to catch up on decks that you're behind on. It's very good for keeping memory in

I've used AnkiSRS and recommended them, but I still don't have a good solution to catch up on decks that you're behind on. It's very good for keeping memory in tact with lots of info. Gwern has an excellent overview of spatial repetition software too: http://www.gwern.net/Spaced%20repetition http://www.gwern.net/Spaced%20repetition