This is the feedback form which having states according to the country.

Airports Lookup resolves 3-letter IATA codes into official airport names, matching ICAO codes, cities, states, country codes and country names. Paid plans add ICAO code lookups, search by airport name or city, geographic coordinates, elevation, local timezones and the current UTC offset across mo...

find postcode or city the three country.

Unemployment Rate looks up labor statistics by two- or three-letter ISO country code. It returns the country name, reporting year, and record count, with paid plans adding historical annual rates. With changes=true it also returns whether unemployment rose or fell, and on paid plans the previous ...

Geolocalise use for get city, state, country, contry code and postal code based on co-ordinates or string(city,state,country name).

This gem is a Logstash plugin required to be installed on top of the Logstash core pipeline using $LS_HOME/bin/logstash-plugin install gemname. This gem is not a stand-alone program. It looks up the country and ASN of IP addresses in the ipinfo.io free country and ASN database.

Localized "country_select" helper with Rake task for downloading locales from Unicode.org's CLDR

Parse phone numbers from various formats, validate against country rules, and format as E.164, national, or international. Supports 36 countries with phone type detection, area code lookup, vanity number conversion, SMS shortcode validation, and carrier identification — all without external depen...

factbook-fields - world factbook country profile meta data - categories, fields, subfields, and more

factbook-codes - world factbook country codes (by region, by category, etc.)

factbook-readers - turn thee world factbook country profile pages into open structured data e.g JSON

Worldize allows to draw world countries coloured on base of some numeric value for each country.

Gem allows to use `flag-icon-css` - a collection of all country flags in SVG - in your Rails projects

metar-parser is a ruby gem that downloads weather reports, parses them and formats reports. It also provides weather station listings and info (e.g. country, latitude and longitude). Reports can be fully localized (currently Brazilian Portuguese, English, German and Italian are avai...

The e164 gem can parse and normalize numbers into the e164 format. It provides extra information on the Country Code and National Destination Codes. It can be used standalone or mixed into a model.

Ruby library that parses a phone number and automatically formats it correctly, depending on the country/locale you set.

A Rails Engine to fill in a select box based on a country_select

The official IP2Proxy Ruby library to detect VPN servers, open proxies, web proxies, Tor exit nodes, search engine robots, data center ranges and residential proxies using IP2Proxy BIN database. Other information available includes proxy type, country, state, city, ISP, domain name, usage type, A...

Get countries by continent, or find the continents for a country given ISO 3166-1 alpha-2, alpha-3 and numeric codes

Converts US State names and (most) country names to their normally accepted abbreviations and back.