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.

Caldecott Client HTTP/Websocket Tunneling Library

Rose colored stained glass windows for HTTP.

By extending minitest/spec HyperSpec provides a Ruby DSL for testing HTTP APIs from the "outside".

Hookout allows you to expose your web hook applications to the web via Reverse HTTP.

Rack middleware to inflate incoming Gzip data from HTTP requests.

A simple HTTP client

CLI tool for templating HTTP requests from a config file and execute them with curl.

API client for interacting with the Philips Hue Hub HTTP API.

An improved version of mtgox-gem with HTTP API v1

Ruby API wrapper for rentjuice.com built with httparty

Daemon which serves information from a local puppet master as JSON over HTTP

Rack middleware for visualizing HTTP/JSON requests, and stuff

HTTP(s) client to SMS Aero API

Make it as easy as possible to prevent Rails from logging IP addresses that belong to proxy devices in your HTTP request chain.

ActionSmser == SMS && ActionMailer. Simple way to use SMS (Short Message Service) in the same way as ActionMailer. Includes also delivery reports and easy way to add custom gateways (simple http and nexmo by default).

Simple ruby wrapper to themoviedb.org (http://api.themoviedb.org/2.0/docs/) using HTTParty

Monitoring connected Android devices via adb command. And you can create simple http graph wth Google API.

Json Interwebs Get. An HTTP client, greedy with JSON content, GETting conditionally. Uses Yajl-ruby whenever possible.

Rack Middleware for logging raw incoming/outgoing HTTP traffic