MPEG2WORKS + Sizzle + Roxio Toast Titanium

Free DVD Authoring tool for MAC. Sizzle is a GUI/frontend for dvdauthor.

This site will help you to make your own VideoCDs, SVCDs or DVDs that can be played on your standalone DVD Player.

Guy who makes region-free firmware patches and related software for Mac OS X

HandBrake is a GPL'd multi-platform, multithreaded DVD to MPEG-4 ripper/converter.

XRay generates high-quality MAC, PC and DVD player compatible MPEG4 movies in AVI format in real time

Appleguru's quick but very usable DVD Rip Tutorial

ffmpegX is an all-in-one DVD ripper, video transcoder, etc. for Mac OS X that uses open source tools

Popcorn helps you easily make high quality copies of your DVD movies. Powerful compression technology gives you the flexibility to copy even the largest movies to a single DVD disc.

MacTheRipper is a freeware DVD ripper (extractor) for Mac OS X