Description: PSPP is a free, open source alternative to IBM SPSS Statistics. It is designed to provide statistical analysis capabilities similar to SPSS with an intuitive graphical user interface. PSPP supports common statistical procedures like descriptive statistics, hypothesis testing, regression, and more.
Type: software
Pricing: Free
Description: Wolfram Alpha is a computational knowledge engine that allows users to get instant expert-level answers to questions on math, science, and many other topics by typing queries in plain language. It understands and computes answers across many domains.
Type: software