DVD Shrink is a free, powerful yet user-friendly DVD backup software.
Here are some of its numerous features:
"Full-Disk" mode: to backup the whole content of the original DVD.
"Re-author" mode: to make "movie-only" backups, compilations, combine "flippers",....
"Start/End" function: to crop or cut parts of a title.
"Deep analysis": to get great quality backups even when a fairly high level of compression is used.
Removal of copy protection and "PUO" (Prohibited User Operations).