是一種可以編纂和解析計量經濟學數據的開放源代碼軟件。它可以和X-12-ARMA、TRAMO/SEATS 和R語言一起使用。gretl用C語言寫成,使用gnuplot制圖。gretl自身的文件格式是XML,但它還可輸入Excel、Gnumeric、Stata、EViews、RATS、GNU Octave、Comma Separated Values、PcGive、JMulTi、SPSS和ASCII文件,也可以輸出到GNU Octave、GNU R、JMulTi和PcGive文件格式。

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.