Like JavaScript includes, this works because CSS is not subject to the same-origin policy that affects XMLHttpRequest. CSSHttpRequest functions similarly to JSONP, and is limited to making GET requests. Unlike JSONP, untrusted third-party JavaScript cannot execute in the context of the calling page.

rack-facebook is a Rack middleware that checks the signature of Facebook params, and converts them to Ruby objects when appropiate. Also, it converts the request method from the Facebook POST to the original HTTP method used by the client.

Simple RSS parser that supports feeds with HTTP Basic Authentication

Simple Ruby wrapper for the Trulia API built on HTTParty

Command line utility for serving the current directory over HTTP.

UserAgent is a Ruby library that parses and compares HTTP User Agents.

Uses ruby and httparty to interface with the FriendFeed API

A Rails plugin ActiveResource extension for instance-level (instead of class-level) HTTP Basic Authentication

TwitterAuth is a Rails plugin gem that provides Single Sign-On capabilities for Rails applications via Twitter. Both OAuth and HTTP Basic are supported.

Updating Hatena Graph via HTTP.

Simple wrapper for HTTParty for basic operations with a restful resource

Use with Net::HTTP to do multipart form posts. IO values that have #content_type, #original_filename, and #local_path will be posted as a binary file.

== DESCRIPTION: The RightScale GoGrid gem has been designed to provide a robust interface to GoGrid's existing API. == FEATURES/PROBLEMS: - Full programmatic access to the GoGrid API. - Complete error handling: all operations check for errors and report complete error information by raising a ...

== DESCRIPTION: The RightScale Slicehost gem has been designed to provide a robust interface to Slicehost's existing API. == FEATURES/PROBLEMS: - Full programmatic access to the Slicehost API. - Complete error handling: all operations check for errors and report complete error information by r...

A gem packaging of the {HttpComponents}[http://hc.apache.org/] (formerly Jakarta Commons) HTTP Client for JRuby. * Provides commons-httpclient and commons-codec jars. * Provides a HC::HTTPClient::ManagerFacade for client and connection manager setup, start, shutdown.

An interface library that allows Ruby applications to easily connect to the HTTP 'Query API' for the Amazon Web Services Elastic Compute Cloud (EC2) and manipulate cloud servers.

Rat Hole is a handy library for creating a rack compliant http proxy that allows you to modify the request from the user and the response from the server.

Handcrafted API Wrapper for Etsy utilizing httparty

Transparent caching for your HTTP requests (heap, file, memcache). Built-in support for RestClient. Built upon Rack::Cache.

Removing the cruft, bringing the HTTP method to the forefront and sporting a neat DRYing block syntax--FancyRoutes is a layer on top of the Rails routing system which provides an elegant API for mapping requests to your application's controllers and actions.