ec2spec is a simple comparison tool for Amazon EC2 Instances you can access.

Represent model attributes as Money instances

Easy to setup exchange rate into your awesome Rails application.

Generates a classes (or class like things) that can translate currency values in a specific currency to a number of other currencies. Other currency sources and new formats can be added.

Expediacom is a lightweight flexible Ruby SDK for the official Expedia.com API

This gem allows you to fetch exchange rates from National Bank of Ukraine (bank.gov.ua) and perform currency conversion.

Fintech to YNAB Library

Active Merchant is a simple payment abstraction library used in and sponsored by Shopify. It is written by Tobias Luetke, Cody Fauser, and contributors. The aim of the project is to feel natural to Ruby users and to abstract as many parts as possible away from the user to offer a consistent interface across all supported gateways.

FixerCurrency extends Money::Bank::Base and gives you access to the current fixer.io exchange rates.

Calculate offer floor using dentaku

The Forge CMS dependency gem.

The Forge CMS dependency gem Ruby 1.9.

The Forge CMS dependency gem for Ruby 2.0.

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Ruby interface to the eBay XML Trading API

Rails On Rails engine to import and generate currency rates

Ruby wrapper for Gillbus GDS API v2

Ruby client for the Gilt public API (http://dev.gilt.com). Written with the Weary framework.

When your customer doesn't want e-commerce but actually you need products, orders and a payment gateway