AlphaJack [1] filed a deletion request for monica [2]:

This package seems abandoned by upstream. I would suggest using "monica" for https://github.com/monicahq/monica/ and maybe keeping this monitor calibration tool under different name, like "monica-tool" or something else

[1] https://aur.archlinux.org/account/AlphaJack/ [2] https://aur.archlinux.org/pkgbase/monica/