https://www.modartt.com/
Modartt — Pianoteq and Organteq: physically modelled instruments
Modartt develops Pianoteq and Organteq — award-winning, physically modelled piano and pipe organ software for macOS, Windows, Linux and iOS.
modarttpianoteqorganteqphysicallyinstruments
https://aur.archlinux.org/packages/pianoteq-stage5
AUR (en) - pianoteq-stage5
aurenpianoteq