PSPP is described as 'free software application for analysis of sampled data. It has a graphical user interface and conventional command line interface. It is written in C, uses GNU Scientific Library for its mathematical routines, and plotutils for generating graphs' and is an app in the Education & Reference category. There are more than 25 alternatives to PSPP for a variety of platforms, including Windows, Mac, Linux, Online / Web-based and Microsoft Office Excel. The best alternative is R (programming language), which is both free and Open Source. Other great apps like PSPP are RStudio (Free, Open Source), JASP (Free, Open Source), jamovi (Free, Open Source) and RKWard (Free, Open Source).
JASP is a 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.
jamovi is a new free and open "3rd generation" statistical spreadsheet. Designed from the ground up to be easy to use, jamovi is a compelling alternative to costly statistical products such as SPSS and SAS.
BlueSky Statistics is a fully featured statistics application and development framework built on the open source R project. BlueSky Statistics brings the power and innovation of R to the fingertips of the analyst community.
The IBM SPSS software platform offers advanced statistical analysis, a vast library of machine-learning algorithms, text analysis, open-source extensibility, integration with big data and seamless deployment into applications.
Deducer is designed to be a free easy to use alternative to proprietary data analysis software such as SPSS, JMP, and Minitab. It has a menu system to do common data manipulation and analysis tasks, and an excel-like spreadsheet in which to view and edit data frames.
SOFA Statistics is an open-source statistical package, with an emphasis on ease of use, learn as you go, and beautiful output. The name stands for Statistics Open For All. It has a graphical user interface and can connect directly to MySQL, SQLite, MS Access, and MS SQL Server.