HandBrake is an open-source, GPL-licensed, multiplatform, multithreaded DVD
to MPEG-4 converter, available for MacOS X, Linux and Windows.
- Any DVD-like source: VIDEO_TS folder, DVD image or real DVD (encrypted or
unencrypted, but protection methods other than CSS are not supported and
must be handled externally with third-party software), and some .VOB and .TS
- PAL or NTSC
- AC-3, DTS, LPCM or MPEG audio tracks
Come to learn more about: http://handbrake.fr/?article=download