1)   DVD Dumper 2.0
DVD Dumper is a easy-to-use software tool that helps you to create normal video program from your favorite DVD discs. You may easily divide one VOB file into several smaller VOB files of whatever size you specify. it can also extract AC3 stream.
DVD, VOB, AC3, VOB split, extract VOB file, extract AC3 stream, VOB cut, MPEG2, MPEG-2,