The Comet Server can be controlled via an API over HTTP / HTTPS.

ruby ping gem for only http pings and also returns duration

RightScale's robust HTTP/S connection module

This gem provides a minimal and customizable rendering content for every status and format included in Rails.

Small wrapper (using httparty, etc.) to provide an interface that mimicks AR main methods using a REST API

A Ruby Client for MockServer that enables easy mocking of any system you integrate with via HTTP or HTTPS (i.e. services, web sites, etc) modified to work with multiple Fipp requests

A wrapper for ruby net/http, supports http/https, RESTful methods, headers, certificate and file uploads

Simple HTTP-based Job scheduling for the cloud.

Lightweight wrapper for Campaign Monitor API over HTTP using HTTParty

An HTTP client with sensible defaults.

Include helpfull matchers for mathing statuscodes

zu == Unzipper (in the tradition of `uz`, but better). Works for .tgz, .xz, .zip, .deb, .rpm — you name it. (Literally. If you find an archive that it doesn't open, let me know about it and I'll add that.) If you have an archive sitting there of format `xyz`, then `zu foo.xyz` should take care ...

Blanket, but with Typhoeus instead of httparty. Access your data with style - and better http functionality.

OpenURI patch to allow redirections between HTTP and HTTPs inside the block

Implements a simple reverse HTTP proxy - useful for advanced configuration or inspection of reverse proxies in development.

Rubygem that finds the canonical version of a URL by providing #canonicalize methods for the String, URI::HTTP, URI::HTTPS and Addressable::URI classes

The Open Financial eXchange standard uses XML-based documents to transfer data around. This gem implements an object model and serializer for those documents, leaving the Request / Response HTTP-based parts of the specification well alone

Ruby library for fetching (http-access2) and parsing (feed-normalizer) RSS (and Atom) feeds.

AMQP-HTTP compliant replacement for HTTParty

New Relic instrumentation for http.rb