I know there’s this one on Rentry: https://rentry.org/bingremuxin but besides that there’s basically nothing. That rentry guide is okay but it doesn’t cover a lot of stuff, like DV or DVDs.
The easiest tool is MakeMKV. But you’ll often encounter opportunities for efficiency (eg stereo DTSHD to FLAC) as well as requirements to convert* for hardware compatibility. That’s where ffmpeg and MKVToolNix are good secondary tools for customizing the remux contents.
*Not transcoding. Rather, lossless formet 1 -> lossless format 2.