Human Disease Ontology (DOID)
Standardized ontology for human disease terms. Maps across MeSH, ICD, SNOMED, and OMIM.
Visit WebsiteBrowse the tree, filter it, or click any class to see just its corner of it.
Where this one tends to earn its keep.
Disease annotation in genomics studies
Cross-terminology disease mapping
Biobank sample classification
Clinical phenotype analysis
I haven't checked this label against the actual licence text — it's the catalogue's original guess. Check the ontology's own site before you rely on it.
Others worth a look in Life Sciences.