Free scientific statistics software often used in ecology, palaeontology and multivariate statistical analysis.
PAST (PAleontological STatistics) is free scientific statistics software commonly used for data analysis in ecology, palaeontology, earth sciences and biology. It offers PCA, clustering, NMDS, regression, time series, morphometrics and more, with a simple interface suited to teaching and quick exploration.
Use cases: multivariate statistics in ecology, PCA/NMDS, cluster analysis, palaeontological data analysis, teaching demos
Note: PAST is usually described officially as free software, but it does not state a common open-source licence; on this site it is best labelled "free software" rather than "open-source software".
