Orphanet Rare Disease Ontology (ORDO) v4.6, with diseases annotated against OFCO. Previously served as a standalone QLever instance.
https://koetai.semscape.org/u/0000-0001-9773-4008/ordo-orphanet/data
https://koetai.semscape.org/u/0000-0001-9773-4008/ordo-orphanet/sparql