Package pspp

A program for statistical analysis of sampled data

https://www.gnu.org/software/pspp/

PSPP is a program for statistical analysis of sampled data. It
interprets commands in the SPSS language and produces tabular
output in ASCII, PostScript, or HTML format.

PSPP development is ongoing. It already supports a large subset
of SPSS's transformation language. Its statistical procedure
support is currently limited, but growing.

General Commands
Command Description
pspp a system for statistical analysis
pspp-convert convert SPSS files to other formats
pspp-dump-sav dissect SPSS system file
psppire graphical interface to pspp