Invantive Control for Excel - Invantive Control enables you to make decisions with Microsoft Excel and yet remain fully compliant...
gretl - homepage of gretl, the Gnu Regression, Econometrics and Time-series Library
Yasai - YASAI is an open-source Monte Carlo simulation add-in for Microsoft Excel
EViews - EViews (Econometric Views) is a statistical package for Windows, used mainly for time-series...
@RISK - @RISK is the world's most widely used risk analysis tool.
Kutools for Excel - A handy Microsoft Excel add-ins collection to free you from time-consuming operations.