"Byki language-learning software is a powerful and personalized language-learning system, designed to advance your new language proficiency by expanding your vocabulary reservoir. In addition to being presented in an engaging flash card interface, the system also tracks everything you learn, automatically presenting the appropriate material at just the right intervals – ensuring that the material you've covered is successfully locked into your memory."
Great program to download. It is free, not free ware. It will not clog up your computer (at least, it did not mine). You can sign up and actually use the cards on the site by using adobe flash, you do not need to download the program.
Check it out!