I saw some music software once also a few years ago that mentioned this type of input device. Don’t remember if the software in question was a VST or a DAW or what it was so can’t find it at the moment. The software that mentioned it may have been open source but I don’t remember.
https://www.semantic-danielou.com/semantic-danielou-53/hex-h...
https://llllllll.co/t/hybrid-hexagonal-keyboard-for-midi-typ...
http://www.yeco.io/introhexblog.html
https://www.lumatone.io/
https://hackaday.com/2019/07/13/isomorphic-keyboards-with-cv...
https://reverb.com/au/item/18946829-c-thru-music-axis-49-iso...
https://en.wikipedia.org/wiki/Isomorphic_keyboard
https://web.archive.org/web/20120219085411/http://www.thesha...
https://www.dynamictonality.com/hex.htm
I saw some music software once also a few years ago that mentioned this type of input device. Don’t remember if the software in question was a VST or a DAW or what it was so can’t find it at the moment. The software that mentioned it may have been open source but I don’t remember.