snomed-ct
Don't worry about UMLS, RxNorm, SNOMED, or SemMedDB licensing - write code that knows how to download it automatically
SNOMED-CT tooling, brought into the 21stC. RF2 → NDJSON → SQLite | Vector | .arrow, | .parquet | .md | refsets | .codelist | MCP | CTV3 & ReadV2 - ready
io+hdf5+lazy-loading+processing-pipelines for EHRs and generic PyTrees for JAX friendly tasks, mainly ML