I built http://iijo.org http://iijo.org. Its free and does Chinese flashcards and uses spaced repetition. You can build vocab lists from a built in dictionary

I built http://iijo.org http://iijo.org. Its free and does Chinese flashcards and uses spaced repetition. You can build vocab lists from a built in dictionary. You can also directly search the dictionary: http://iijo.org/dictionary http://iijo.org/dictionary. And the code is on github: https://github.com/kablamo/iijo.org https://github.com/kablamo/iijo.org