gretl - homepage of gretl, the Gnu Regression, Econometrics and Time-series Library
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ActiveCampaign - Integrated email marketing, marketing automation, and small business CRM. Send beautiful newsletters, setup behavioral based automations, and benefit from sales automation.
LIMDEP - LIMDEP is an econometric and statistical analysis software that is used by researchers, students, and professionals from all over the world.
Pardot - Salesforce B2B marketing automation