MPDS (Materials Platform for Data Science) is an online materials database originating from the PAULING FILE project, containing over 3 million entries of physical properties, crystal structures, and phase diagrams for inorganic materials. It offers multiple access tiers: free open access with login includes search by over 15 criteria, analysis tools, interactive plots, and access to around 50k datasheets; paid full GUI access adds detailed visualizations, data export in over 5 formats, high-quality redrawn phase diagrams, and access to around 3 million datasheets with full references and DOIs; paid API full access provides machine-readable data, regular updates, documentation and support, and OPTIMADE standard support, and includes full GUI access.
