Euphonic is a Python package that can efficiently calculate phonon
bandstructures, density of states and inelastic neutron scattering
intensities from force constants. The force constants can be read
from various sources, including CASTEP .castep_bin files, or Phonopy
phonopy.yaml files. While Euphonic is primarily a library, multiple
command-line tools are also provided for convenient plotting of the above
quantities.
For more information, see the docs.