A curated, informative and educational resource on inter-related data standards, databases, and policies in the life, environmental and biomedical sciences. It contains: (1) A catalogue of databases, described according to the BioDBcore guidelines, along with the standards used within them; partly compiled with the support of Oxford University Press (NAR Database Issue and DATABASE Journal), (2) FAIRsharing policies: A catalogue of data preservation, management and sharing policies from international funding agencies, regulators and journals and (3) Collections group together one or more types of resource (standard, database or policy) by domain, project or organisation. A Recommendation is a core-set of resources that are selected or endorsed by data policies from journals, funders or other organizations.