A repository of geographic regions for Ruby
All sorts of useful information about every country packaged as convenient little country objects. It includes data from ISO 3166 (countries and states/subdivisions ), ISO 4217 (currency), and E.164 (phone numbers).
Gemification of rails's country_select
Parse, validate, and format phone numbers in Ruby using Google's libphonenumber database
Ruby: country/language names and 2-letter-code pairs, in 85 languages, for country/language i18n
Convert country names and codes to a standard.
detect ocean/sea name by coordinates
Ruby gem for phone validation and formatting using google libphonenumber library data
E164 international phone number normalizing, splitting, formatting.
This Gem adds useful methods to your Rails app to validate, display and save phone numbers. It uses the super awesome Phony gem (https://github.com/floere/phony).
Postal code / zipcode validation for Rails, supporting 233 country codes