The application is a low-fat alternative to SPSS, and a perfect alternative to R.
JASP offers a fresh way to do statistics. It promotes open science by integration with the Open Science Framework and reproducibility by integrating the analysis settings into the results. JASP generally produces APA style results tables and plots to ease publication. It offers standard analysis procedures in both their classical and Bayesian form. It is designed to be easy to use, and familiar to users of SPSS.
JASP is a free and open-source graphical program for statistical analysis supported by the University of Amsterdam.