pspp: pspp (Free open source replacement of SPSS) pspp: pspp: GNU PSPP is a program for statistical analysis of sampled data. pspp: It is a Free replacement for the proprietary program SPSS, pspp: and appears very similar to it with a few exceptions. pspp: pspp: pspp: Homepage: http://www.gnu.org/software/pspp/ pspp: pspp: pspp: