RepTate (Rheology of Entangled Polymers: Toolkit for Analysis of Theory & Experiment) is a free and open source software package for viewing, exchanging and analysing experimental data. It features a command-line interface and a graphical user interface.
Source code: https://github.com/jorge-ramirez-upm/RepTate
Boudara Victor A. H., Daniel J. Read and Jorge Ramírez, “RepTate rheology software: Toolkit for the analysis of theories and experiments”, Journal of Rheology 64, 709 (2020); https://doi.org/10.1122/8.0000002