OpenCards 是一个幻灯片学习软件，使用 PPT 作为幻灯片。
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.
主页：http://opencards.info/
下载：http://code.google.com/p/opencards/downloads/list
来自:开源中国社区
