granule is a multi-platform (Linux, Windows, NetBSD, Nokia770 Internet Tablet, OpenEmbedded GPE PDAs) flashcards program that implements Leitner space repetition methodology for expanding your vocabulary. It features both short-term and long-term memory training capabilities to improve memory retention.
OpenCards is flashcard learning software. The basic idea of OpenCards is to use PowerPoint presentations (*.ppt) as flashcard sets. Slide titles are considered questions and the slide contents their answers. Based on state-of-the-art memorization and scheduling algorithms, OpenCards will help you learn any set of flashcards.