JASP is described as «free and open-source graphical program for statistical analysis supported by the University of Amsterdam. It is designed to be easy to use, and familiar to users of SPSS. It offers standard analysis procedures in both their classical and Bayesian form» and is a statistical analyzer in the education & reference category. There are more than 10 alternatives to JASP for a variety of platforms, including Windows, Linux, Mac, Xfce and Microsoft Office Excel. The best alternative is R (programming language), which is both free and Open Source. Other great apps like JASP are RStudio, PSPP, jamovi and IBM SPSS Statistics.JASP alternatives are mainly Statistical Analyzers but may also be Programming Languages. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of JASP.