Open access collection of crystal structures from organics, organometallics, inorganics, and minerals - +390,000 entries. Structures can be viewed in JSmol and downloaded (.cif).
Database of 75,000+ binary, ternary, and multinary phase diagrams and data sheets, with associated property and crystal data. (Note: the Crystal Structures database is not included in our subscription.)
Repository of structural information on biological macromolecules, including proteins and nucleic acids, +140,000 records. Structures can be visualized, downloaded, and deposited.