RelaxIS can calculate the distribution functions of time constants for your spectra. Multiple spectra can be selected at a time for batch processing.
In the DRTs you can perform peak-picking and integration and export these results for further use.
Literature
This DRT implementation is based on ideas and methods introduced by the Ciucci group of the The Hong Kong University of Science and Technology.
For details please refer to their original publications
Ting Hei Wan, Mattia Saccoccio, Chi Chen, Francesco Ciucci, Influence of the Discretization Methods on the Distribution of Relaxation Times Deconvolution: Implementing Radial Basis Functions with DRTtools, Electrochimica Acta, Volume 184, 1 December 2015, Pages 483-499, ISSN 0013-4686, DOI: 10.1016/j.electacta.2015.09.097.