A library to make the hard parts of commercial shipping a little easier.

API for evaluating transactions against direct-to-consumer Beverage Alcohol shipping regulations. This API is currently in beta.

Ruby SDK for working with TNT shipping web services.

Ruby SDK for working with DPD shipping web services.

am writing first gem, which is a Calculator shipping fee for Amazon JP

This is to customize fedex gem

Client library for using Pitney Bowes Shipping API

Adds temando shipping support to Spree

Allows advanced calculators such as weight etc to be applied on shipping methods

Rails 3 Engine for calculating shipping rates initially supporting UK Royal Mail

Library that scrapes rates from various Indonesian shipping carriers web 1.0 sites.

correios-ws uses correios web-services SOAP to calculate shipping

Extendable Ruby on Rails engine for adding shopping cart functionality to a Rails application. It does not assume shipping, price, or having a quantity. However, it does allow for more than one order per user placed in a trolley. Meant to be well suited to ordering digital records.

A Solidus shipping costs calculator based on total order weight

Gem for spree and brazilian carrier correios

Spree plugin for calculating shipping based on package weight.

at amazon.co.jp, as any product, can get lowest price, shop name, shipping price...etc

Stamps is Stamps.com backed library for creating postage labels, calculate the shipping cost of packages, standardize domestic addresses via USPS CASS certified Address Matching Software, and track shipments.

With this Gem it is possible to order pre-paid shipping stickers from the Deutsche Post. Payment is done through the so called "Portokasse", a prepaid wallet service. To use this Gem a registration for the "Portokasse" and the 1C4A webservice is necessary.