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

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.

Ruby implementation of EnviaYa! shipping service.

NinjaVan 3PL shipping service API Caller for Ruby

Wineshipping API is a programmatically consumable service or an Application Programming Interface (API) platform designed to enable Wineshipping LLC's client applications to natively transmit and manage their order, view inventory, track shipments etc.<br /><br />In order to access API operations...