Is a cross-platform software package for econometric analysis, written in the C programming language. It is free, open-source software. You may redistribute it and/or modify it under the terms of the GNU General Public License (GPL) as published by the Free Software Foundation.
Easy intuitive interface (now in French, Italian, Spanish, Polish, German, Basque, Portuguese, Russian, Turkish, Czech, Traditional Chinese, Albanian and Greek as well as English)
A wide variety of estimators: least squares, maximum likelihood, GMM; single-equation and system methods
Time series methods: ARMA, GARCH, VARs and VECMs, unit-root and cointegration tests, etc.
Limited dependent variables: logit, probit, tobit, interval regression, models for count and duration data, etc.
Output models as LaTeX files, in tabular or equation format
Integrated scripting language: enter commands either via the gui or via script
Command loop structure for Monte Carlo simulations and iterative estimation procedures
GUI controller for fine-tuning Gnuplot graphs
Links to GNU R, GNU Octave and Ox for further data analysis