No idea if this is any good, but it is free...
http://www.bitsdujour.com/software/aiseesoft-bd-to-mkv-copy
Aiseesoft BD to MKV Copy lets you backup your Blu-ray movies to MKV files without compromising audio or visual quality. With Aiseesoft BD to MKV Copy, you have your choice of which subtitles and audio tracks to copy, so you lose nothing by converting your hardcopy disc to digital form (except those tracks that you don't want). Best of all, you can even copy 3D Blu-ray movies!
Nothing could be easier than using Aiseesoft BD to MKV Copy to make backup copies. A handy preview function lets you see the quality of your results before committing to an entire copy, while a snapshot feature lets you capture screengrabs of your favorite cinematic moments. The entire copying process takes just a few clicks! There's simply no better way to make backups of Blu-ray discs than by using Aiseesoft BD to MKV Copy.
http://www.bitsdujour.com/software/aiseesoft-bd-to-mkv-copy
Aiseesoft BD to MKV Copy lets you backup your Blu-ray movies to MKV files without compromising audio or visual quality. With Aiseesoft BD to MKV Copy, you have your choice of which subtitles and audio tracks to copy, so you lose nothing by converting your hardcopy disc to digital form (except those tracks that you don't want). Best of all, you can even copy 3D Blu-ray movies!
Nothing could be easier than using Aiseesoft BD to MKV Copy to make backup copies. A handy preview function lets you see the quality of your results before committing to an entire copy, while a snapshot feature lets you capture screengrabs of your favorite cinematic moments. The entire copying process takes just a few clicks! There's simply no better way to make backups of Blu-ray discs than by using Aiseesoft BD to MKV Copy.
