R is an open source programming language and software environment for statistical computing and graphics that is supported by the R Foundation.

DataCracker is a web-based Tool for Analyzing Survey Data, our Survey Data Analysis Software makes it easy for anyone to find and share insights.

SPSS Statistics is a software package used for logical batched and non-batched statistical analysis.

PSPP is a free software application for analysis of sampled data, intended as a free alternative for IBM SPSS Statistics.

SOFA Statistics is an open-source statistical package.