FHIR Terminology Repository
FHIR Terminology Repository (FTR), repository layout specification, tools
FTR (FHIR Terminology Repository) it's open specification for repository layout, formats and algorithms to distribute FHIR terminologies as ValueSets.
You can store resulting FTR on s3 like storage or regular file system. Aidbox team provides tools for FTR population and distribution mechanism via zen-packages. Aidbox can sync FTR's came with zen-packages and as a result validate/lookup ValueSets.