XlModeler

XlModeler brings regression and volatility models of OxMetrics to Excel.

Build a multiple regression or GARCH-type model.

Use Autometrics for powerful automatic model selection.

Use advanced checks for model mis-specification.

Powerful graphics aide the model evaluation.

Websites: https://www.xlmodeler.com/ and https://www.timberlake.co.uk/software/xl-modeler.html

Documentation: download here.