We recommend the Spectro Inlets co-developed open-source package ixdat for data analysis. The ixdat package features easy data access and power plotting and analysis tools for combined techniques, such as ECMS. ixdat will get you up to speed on your ECMS data treatment in no time. The documentation for the package can be found here: https://ixdat.readthedocs.io/en/latest/

Getting started: https://ixdat.readthedocs.io/en/latest/getting_started/index.html
Tutorials: https://ixdat.readthedocs.io/en/latest/tutorials/index.html