R (programming language)
Open Source
R is an open source programming language and software environment for statistical computing and graphics that is supported by the R Foundation.
SOFA Statistics
Open Source
SOFA Statistics is an open-source statistical package.
RStudio
Open Source
RStudio is a free and open-source integrated development environment (IDE) for R, a programming language for statistical computing and graphics.
IBM SPSS Statistics
Commercial
SPSS Statistics is a software package used for logical batched and non-batched statistical analysis.
Compare PSPP with alternatives
Compare R (programming language) and PSPP and decide which is most suitable for you.
Compare SOFA Statistics and PSPP and decide which is most suitable for you.
Compare IBM SPSS Statistics and PSPP and decide which is most suitable for you.