You pay good money for your DVDs, but they’re hardly the only format you need these days. These five ripping tools ensure you can back them up, keep them on your media server, and load them on your favorite portable player.
Also take a look at this Best DVD-Ripping Tools Review: http://www.softdiggs.com/reviews/best-dvd-ripper-software-review.php
DVD Shrink (Windows, Free)

DVD Shrink is a free and capable ripping tool that excels at, as the name would imply, shrinking DVDs. DVDs come in two common formats: DVD-5 (4.7GB) and DVD-9 (8.5GB); the Reauthor mode in DVD Shrink helps …

We just reviewed four DVD Rippers (Windows and Mac) on this page: http://www.softdiggs.com/reviews/best-dvd-ripper-software-review.php
These four DVD Rippers, which were carefully picked up via Google search, download and try, are iSkysoft DVD Ripper for Mac, iOrgsoft DVD Ripper for Mac, Aiseesoft DVD Ripper and Wondershare DVD Ripper Platinum.
Which is your favorite DVD Ripping Software? Give a vote by leaving a comment below.