Invantive Control for Excel - Invantive Control enables you to make decisions with Microsoft Excel and yet remain fully compliant...
SAFE TOOLBOXES - SAFE TOOLBOXES is an Excel add-in that enhances Excel capabilities to perform simulations...
CData Excel Add-Ins - Excel Add-In for mass imports / exports / updates, data cleansing & de-duplication and data analysis.
Mplus - Mplus is a statistical modeling program used by social scientists, health researchers, market researchers, and educators.
ASAP Utilities - ASAP Utilities is a powerful Excel add-in that fills the gaps in Excel.
gretl - homepage of gretl, the Gnu Regression, Econometrics and Time-series Library