lcid
Mapping between standard locale identifiers and Windows locale identifiers (LCID)
@ietf-tools/idnits
Library / CLI to inspect Internet-Draft documents for a variety of conditions to conform with IETF policies.
iana-registry-data-lib
A package containing JSON files reflecting the current state of various IANA registries such as the JOSE, OAuth and JWT registries. This package is intended to be used as a data source for other projects.