A Ruby wrapper for the OAuth 2.0 protocol built with a similar style to the original OAuth spec.

Simple gem to enable rack powered Ruby apps to authenticate via REST with an enterprise CAS authentication server via X509 client certificates.

FreshBooks OAuth strategy for OmniAuth

Qihu 360.cn OAuth2 & Dianjing(Advertising system) API wrapper

An API client library for Amazon Product Advertising API, written in Ruby.

A tiny ruby wrapper for Readability's content parser api

A Ruby wrapper for the SilverPop API

An API Client library for http://cal.syoboi.jp/ written in Ruby.

An automatically generated USPS API Client based on the official USPS User Guides

Several card processors and gateways support offloading the storage of credit card information onto their service. This offloads PCI compliance to the gateway rather than keeping it with each retailer. This library abstracts the interface to many of them, making it trivial to work with any or a...

A library for communicating with the Xively REST API, parsing and rendering Xively feed formats

Use the Yahoo! Content Analysis API to extract topics and entities.

Ruby wrapper for the Zoho Invoice API. Documentation for the Zoho Invoice API can be found at http://zoho.com

A collection of web-api helpers and parsing utils for Adknowlege's APIs

A very small wrapper around the AidsInfo Drug Info database

Read and write Alchemy files in Ruby.

ALPS (Application-Level Profile Semantics) processor

Ruby client of AMSI Evolution Suite API

A Ruby wrapper for the Assistly REST API

Ruby - Amazon Alexa Web Information Service Library (AWIS)