Forward and Reverse lookups for full country data sets including country info, phone formats, postal formats, currency, languages and states

Joi extensions for ISO 3166-1 alpha-2 country code rules.

Basic international dialing info as .plist

Airport, airline, countries, holidays, telephony, and time zones data in a structured format (CSV, JSON, and YAML)

Mapping of Norwegian SSB's "Standard for land og statsborgerskap" to ISO country codes

IP → ISO Country Code - Uses a pre-calculated binary tree with source data on disk, limiting memory usage and disk reads to a minimum. Includes mk-ip4db to create the optimized database from public text source data.

Data preparation for Tableau using Python

Neo4j Graph database examples