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gretl vs JASP: catalog facts
gretl	JASP
Free Free and open source under the GNU General Public License.	Free Free and open source.
Windows, macOS, Linux	Windows, macOS, Linux
Graphical interface for econometrics and time-series work Integrates with X-13ARIMA-SEATS, TRAMO/SEATS and GNU R	Classical and Bayesian versions of standard analyses Results update dynamically
Focused on econometrics rather than general statistics Interface looks dated compared with commercial packages	Covers standard procedures rather than every specialised method Less scripting flexibility than R or Python
Downloadable app	Downloadable app
Open source	Open source
License: GPL	License not stated
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 1, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.