unicorn is an HTTP server for Rack applications designed to only serve fast clients on low-latency, high-bandwidth connections and take advantage of features in Unix/Unix-like kernels. Slow clients should only be served by placing a reverse proxy capable of fully buffering both the the request and response in between unicorn and slow clients.

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

HttpBL is a Rack middleware filter that blocks requests from suspicious IP addresses.

A Rack middleware IP filter that uses Http:BL to exclude suspicious robots.

Share files over HTTP wih a single command

Daemon which executes shell commands read out of a Starling queue and optionally posts back to an HTTP server on success/failure

Provides wrapper functionality and authentication for REST and RPC HTTP requests to OpenSocial-compliant endpoints, along with validation of incoming signed makeRequest calls.

An HTTP mini server to query against modular adaptors

local-openid allows users with shell accounts on servers to authenticate with OpenID consumers by editing a YAML file in their home directory instead of authenticating through HTTP/HTTPS.

Test Apache behavior using Test::Unit, based on a gist by Patrick Reagan of Viget Labs

A subclass of Test::Unit::TestCase to allow for http redirect testing, packaged from a gist by Patrick Reagan of Viget Labs

http_request.rb is a small, lightweight, powerful HttpRequest class based on the 'net/http' and 'net/ftp' libraries

Support utilities for ruby apps on Google App engine. Wraps GAE specific functionality, and modifies ruby standard libraries where needed (i.e Net:HTTP) to use GAE libraries

a very simple http server for use in automated integration tests

Simple HTTP/REST client for Ruby, inspired by microframework syntax for specifying actions. Forked from RestClient http://rest-client.heroku.com see README for reasons

HTTP Authorization helpers for Sinatra.

Wrest is a fluent, easy-to-use, object oriented Ruby HTTP/REST client library with support for RFC2616 HTTP caching, multiple HTTP backends and async calls. It runs on CRuby and JRuby and is in production use at 10 * 🦄 scale.

HTTPage is simple HTTP(S) reader with ability to transliterate body

net-httpstub is a stub of Net::HTTP.

HTSucker is simple HTTP(S) reader with ability to transliterate body