Provides a Ruby interface for NZ Post APIs including Parcel Address, Parcel Label, and Shipping Options.

Use for Fedex/UPS/USPS tracking and more... Originally from: http://github.com/Shopify/active_shipping

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.

A Simple Ruby Class that communicates with Canada Post Server and provides a shipping estimate.

Retrieve shipping quotes, generate labels, and cancel shipments with the FedEx v8 web service.

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

Ruby wrapper around Auction Inc's shipping API.

Ruby SDK for the FlexOps multi-carrier shipping platform API. Supports USPS, UPS, FedEx, DHL with rate shopping, label generation, tracking, webhooks, wallet, insurance, returns, and more.

Get link for shipping tracking using tracking number

A class to get values and tracking info from shipping providers

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

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

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.

This gem is a wrapper on Wing API v2, that offers shipping services (https://www.wing.eu).