Mplus - Mplus is a statistical modeling program used by social scientists, health researchers, market researchers, and educators.
@RISK - @RISK is the world's most widely used risk analysis tool.
EViews - EViews (Econometric Views) is a statistical package for Windows, used mainly for time-series...
Zingtree - Build your own question & answer style troubleshooters
gretl - homepage of gretl, the Gnu Regression, Econometrics and Time-series Library
TreePlan - TreePlan helps you build a decision tree diagram in an Excel worksheet using dialog boxes.