DVDShrink is software to backup DVD discs. You can use this software in conjunction with DVD burning software of your choice, to make a backup copy of any DVD video disc.
DVDShrink will also burn your backup DVD, if you have installed the latest version of Nero. You can also download a demo version of Nero here. If you already possess alternative burning software and prefer to stick with it, then you can still use DVD Shrink. The output from DVDShrink can be saved as files on your hard drive, which you can then burn with software of your choice.
DVDShrink is free software. You should never pay for DVDShrink.
CDex is focused on ripping and converting things like turning your home CD collection into an MP3 collection on your hard drive. Available as a portable app here.
EZ CD Audio Converter is an all-in-one music converter that rips Audio CDs, converts audio files from one format to another, edits metadata of audio files.