gretl vs Tango
A side-by-side look at gretl and Tango. For an in-depth review of either product, follow the links below.
gretl
Office & Productivity
gretl is an open-source statistical package mainly for econometrics. It has an easy-to-use graphical user interface and offers a wide range of statistical techniques including regression analysis, time series, and nonparametric tests.
statisticseconometricsregression-analysistime-series-analysisgui
Tango
Social & Communications
Tango is a free and open source, cross-platform program for video calling and instant messaging using Voice over IP. It offers encryption, group conversations, file transfers, customizable user profiles, and other features.
video-callingmessagingencryptionopen-source