A free Mie package for all the people who want for academic, or commercial purposes. The main code was written in c++. A swig wrapper for python is updated.
You can get it from here Complex_bessel
Complex_bessel is a C++ library to evaluate Bessel functions of all kinds. More information can be found on the Github website.
An example is shown by comparing pyMieForAll results with Mieplot.
Enjoy!