DVDx 4 is freeware (only open edition) and is available for Windows and MAC as well for Linux. This tool from labDV is able to encode video-DVDs into several video formats (.mov / .mp4 and .mpeg and so on) with intergrated subtitles if available on DVD.

Merge vob files from DVD into one vob file for uploading it onto reelport.com

VOBMerge is a little and simple tool (freeware /Windows) to do one thing: merging several vob files into one.