Wikipedia
StatPlus
StatPlus is a software product for basic univariate and multivariate statistical analysis ( MANOVA, GLM, Latin squares), as well as time series analysis, nonparametric statistics, survival analysis and statistical charts including control charts. It was originally developed for use in the biomedical sciences. The original version is now known as BioStat. It is mostly used in biomedicine and natural sciences.
The software has a version for the Mac OS X known as StatPlus:mac. The software may also be used as an add-on to the Microsoft Excel.