I've been using a new flash card program recently called MindZip. It seems to be a pared down version of Anki programs, but it has a more user-friendly interface than one usually finds with various Anki programs, and it presents itself as being geared towards books.
Like Anki, it uses spaced-repetition to achieve long-term memory. Unlike Anki, it doesn't have any feedback mechanisms. It actually did a few weeks ago, before they updated the app to remove those features. I could speculate as to why, but not to digress...
I've created a deck for Charles Taylor's A Secular Age using the glossary of key terms in James K.A. Smith's book How (Not) To Be Secular. I thought I would notify people here in case anyone wants to make use of it.
If you have the MindZip app just search for the title "A Secular Age" and it should be the only deck there. If you don't have or want the MindZip app but would like the deck on Ankiweb let me know and I can export it.
Ankiweb has some more powerful tools, but the interface is very clunky and has a steeper learning curve.
Or share your thoughts on your favorite flash-card program. Or if you would like to share decks you've created for books/courses that would be good too.