Here's one I've never tried. Commercial ($10), but available for download as a trial:

http://macdvdripperpro.com/

MacTheRipper's latest versions are as easy to get as always simply by using Google to search for them.

MacTheRipper 3.0r14 Google search:

http://www.google.com/search?client=safa...-8&oe=UTF-8

I still can't stand its UI - it overly complicates the whole process.