http://calf-studio-gear.org/
https://github.com/calf-studio-gear/calf

The Calf project aims to provide a set of high quality audio plugins
for musicians, possibly in many different plugin formats, so that
you can use it no matter what audio applications you're accustomed
to. I aim at making these plugins high quality, even if it means
sacrificing performance or compatibility with old CPUs (there are
enough basic plugins available, it made sense to work on something
that wasn't covered before).

This package is a copy of Packman's since ones on OBS are broken.