iso-lang-codes
Node util for ISO Language Codes (639-1 and 693-2) and IETF Language Types
country-to-currency
Map country codes (ISO 3166-1 alpha-2) to their default currency codes (ISO 4217)
locale-util
Locale data generators written in node.js. Uses reliable sources. Generated data available as JS/JSON objects.
country-locale-map
Provides mapping between country codes and provides default country locales. Includes optional fuzzy matching for country name.