The /routes route will list all of the consuming application's routes except for external redirects, generic HTTP status pages, and default Rails routes

An easy-to-use wrapper for Net::HTTP, Net::HTTPS and Net::FTP.

A Ruby client generator for HTTP APIs described with a JSON schema

Tom uses Goliath to dispatch HTTP requests to multiple other APIs (via Adapters) in parallel. In a next step, a Merger merges the result and responds to the clients request.

gives something like the functionality of libwww-perl (LWP) in Ruby

A Celluloid::IO-powered HTTP server

Ronin is a free and Open Source Ruby toolkit for security research and development.Ronin contains many different CLI commands and Ruby libraries for a variety of security tasks, such as encoding/decoding data, filter IPs/hosts/URLs, querying ASNs, querying DNS, HTTP, scanning for web vulnerabilities, spidering websites, install 3rd party repositories of exploits and/or payloads, run exploits, generating new exploits, managing local databases, fuzzing data, and much more.

Puppet testing tool coupled with Beaker

EXtended http(s) CONnections

An exception handler for OpsCode Chef doing http post via net/http

HTTP dashboard for the distributed event system Riemann.

It may be used for other HTTP servers.

Trigger on openvpn events and notify HTTP API

Easily retry code that fails intermittently. Perfect for interacting with that flakey HTTP API.

Escher authorization for rack based http servers with ease in a form of middleware

Escher helps you creating secure HTTP requests (for APIs) by signing HTTP(s) requests.

For WebHDFS and HttpFs of Hadoop HDFS

RSpec HTTP is an extension library that makes it easier to write specs for HTTP/REST APIs

A small library for making remote HTTP requests and response assertions in tests.

Heuristic TTL for HTTP-Cache Headers