Allows you to easily lookup VAT rats for EU countries based on the data from jsonvat.com.

A threadsafe Ruby gem that can be used to interact with the Kissmetrics tracking API.

A universal interface to grab contact list information from Yahoo, AOL, Gmail, Hotmail, Plaxo, GMX.net, Web.de, inbox.lt, seznam.cz, t-online.de. Now supporting Ruby 1.9.

LogDNA Ruby logger

Base classes for Xasin's LZRTag system

Get a U.S. state name from its abbreviation or get a U.S. state abbreviation from its name.

The Mailosaur Ruby library lets you integrate email and SMS testing into your continuous integration process.

This gem provides Ruby access to the ManageIQ API by exposing the ManageIQ collections, resources and related actions as Ruby objects and equivalent methods.

A Ruby wrapper for the Ambassador API

This gem allows developers to use the services available in the MercadoPago API (http://www.mercadopago.com)

Game server for Japanese Mahjong AI.

MMS2R is a library that decodes the parts of a MMS message to disk while stripping out advertising injected by the mobile carriers.

A gem that calculates the exchange rate using published rates from currencylayer.com and apilayer.com. Compatible with the money gem.

Magic: The Gathering SDK is a wrapper around the MTG API located at magicthegathering.io

A client library for the portable contacts standard

A ruby library for reading and writing arbitrary messages in DJB's maildir format

Free Online OCR for Ruby - Convert images to text

Libraries needed to talk to OpenNebula

API for working with IIIF Presentation manifests.

RelaxDB provides a simple interface to CouchDB