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JASP

Point-and-click statistics with classical and Bayesian tests

★ Stars1k1,008 on GitHub
Last commit17 Oct 2026
LicenceAGPL-3.0SPDX, from the repository
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From GitHub, fetched 19 Oct 2026.

Visit jasp-stats.org ↗

JASP is a free statistics program from the University of Amsterdam with an SPSS-style menu interface. It covers t-tests, ANOVA, regression, factor analysis, meta-analysis and more, offers Bayesian versions of most tests, and updates results live as you change options. It is built on R.

Switching from SPSS

Your data: SPSS data files: .sav, .zsav, .por. JASP opens .sav, .zsav and .por, according to its own documentation.

  1. Keep your data from SPSS as a .sav (or .zsav / .por) file.
  2. Open that file in JASP.

Sources: jasp-stats.org/faq, checked 19 Oct 2026.

Fit for your research

Runs onWindows, macOS, Linux
Opens.csv, .tsv, .txt, .sav, .zsav, .por, .sas7bdat, .sas7bcat, .xpt, .ods, .xls, .xlsx, .dta, .rdata, .rds, .mwx, .mpx
Your dataStays on your computer
JASP's FAQ: “JASP will never collect any user-identifiable information.” On Windows its analysis engine runs in a sandbox with no network access by default.

Sources: jasp-stats.org/faq, checked 19 Oct 2026. “Runs on” is from this listing. Blank means we haven't found it in official docs yet, not that it's unsupported.

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