Free Statistical Software

This page contains links to free software packages that you can download and install on your computer for stand-alone (offline, non-Internet) computing. They are listed below, under the following general headings:

• General Packages: support a wide variety of statistical analyses
• Subset Packages: deal with a specific area of analysis, or a limited set of tests
• Curve Fitting and Modeling: to handle complex, nonlinear models and systems
• Biostatistics and Epidemiology: especially useful in the life sciences
• Surveys, Testing and Measurement: especially useful in the business and social sciences
• Excel Spreadsheets and Add-ins: you need a recent version of Excel
• Programming Languages and Subroutine Libraries: customized for statistical calculations; you need to learn the appropriate syntax
• Scripts and Macros: for scriptable packages, like SAS, SPSS, R, etc.
• Miscellaneous: don't fit into any of the other categories
• Other Collections of Links to Free Software and Mobile Apps

General Packages: No package does everything, but these programs support a wide variety of statistical analyses.