For anyone interested in symmetry specifically, there's also the ISOTROPY Software Suite (https://stokes.byu.edu/iso/isotropy.php https://stokes.byu.edu/iso/iso

For anyone interested in symmetry specifically, there's also the ISOTROPY Software Suite (https://stokes.byu.edu/iso/isotropy.php https://stokes.byu.edu/iso/isotropy.php) which offers some nice tools.