Handbrake is a free, open source video ripper software for Mac OS X and Linux and is now available for Windows now. You can convert a DVD into an MPEG-4 or H.264 (MP4, AVI or OGM) file to watch it on your computer and easily store it. You can also save a DVD movie to your iPod or PSP with Handbrake. In windows, after unzipping the file, launch wxHB.exe to run it. Download Handbrake now.