Best app to backup DVD's?

I was looking for an app to copy dvd's on to my mac, so i can watch them later. I dont want to rip all the files.

I tried OSEx but it wouldn't even open the dvds, and DVDbackup comes in a .sit file, which i dont know how to use... also, im pretty sure its paid. I was looking for a free up that did this.

Im trying to copy burned dvd-r discs, if that helps.

Thanks.

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