StatCounter - StatCounter is a simple but powerful real-time web analytics service that helps you track, analyse and understand your visitors so you can make good decisions to become more successful online.
Mplus - Mplus is a statistical modeling program used by social scientists, health researchers, market researchers, and educators.
Histats - Start tracking your visitors in 1 minute!
gretl - homepage of gretl, the Gnu Regression, Econometrics and Time-series Library
AFSAnalytics - AFSAnalytics.
EViews - EViews (Econometric Views) is a statistical package for Windows, used mainly for time-series...