Handbrake is a utility that can convert standard DVD's into a compressed format of your choice. mp4 with AAC audio or AVC with h264 video and AAC audio. It also lets you crop the image to get rid of the black bars to bring down the size even more and lets you choose options as to how you want it encoded.
HandBrake has the following other editions available: HandBrake for Mac OS X and HandBrake for Linux.
HandBrake, Windows, Linux, Mac OS X, Open-Source, Open Source, Freeware, Software, Download