JASP

Free, open-source statistics program with classical and Bayesian analyses in a point-and-click interface.

Open source

Active

SAV: opens only, partial fidelity. Opens SPSS .sav and .zsav files; saves in its own .jasp format
CSV: opens only, partial fidelity. Opens text files; saves analyses in .jasp
XLSX: opens only, partial fidelity. Opens Excel files; saves analyses in .jasp
DTA: opens only, partial fidelity. Opens Stata files; saves analyses in .jasp

Facts

IBM SPSS Statistics
Strong. Best for Bayesian and classical stats with a simple GUI.
0 people switched

Repository checks, newest first; last checked Oct 8, 2026. Checks older than 90 days are kept as one per week.

Repository checks for JASP
Checked	Last commit	Latest release	Stars	State
Oct 8, 2026	Oct 8, 2026	v0.98.1	1,002	Open

License, pricing and status changes for this tool.

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4.0out of 5, from 1 review

Used for: Side projects on weekends4 of 5, 16 months of use
Pros
Does everything I used the paid tool for.
Cons
Fonts render slightly differently.

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