gretl: gretl (Gnu Regression, Econometrics and Time-series Library)
gretl:
gretl: This is a cross-platform software package for econometric
gretl: analysis, written in the C programming language. It is free,
gretl: open-source software. You may redistribute it
gretl: and/or modify it under the terms of the GNU General
gretl: Public License (GPL) as published by the Free Software Foundation.
gretl:
gretl: 
gretl: 
gretl: