The optimized spaced-learning system adopted by 50 universities - Windows Shareware $29. VTrain tests you by way of Question/Answer cards. It tracks your progress for each one of the cards and draws up a schedule of repetitions for it. Typically, as few as 7 repetitions per year are enough to remember each one forever! VTrain also includes a multimedia-enabled editor that supports rich text, international fonts, image edition and voice recording.

Extra features include on-screen keyboards for 100 languages, slideshows, statistics, and networking capabilities. You can use VTrain to learn virtually any subject, and free decks of vocabulary cards in 40 languages are available from the website. VTrain has been adopted by 50 universities throughout the world.