An implementation of RFC 7807 Problem Details for HTTP APIs

Add RateLimit headers for Rack::Attack throttling

This is a simple lightweight way to expose work-in-progress functionality to developers, testers or other internal users.

Flash hash implementation for Rack apps.

Provides a policy for frozen rack middleware.

This middleware acts as a spam trap. It inserts, into every outputted <form>, a text field that a spambot will really want to fill in, but is actually not used by the app. The field is hidden to humans via CSS, and includes a warning label for screenreading software.

A Rack middleware for providing JSON-P support.

Rack middleware that provides authentication based on JSON Web Tokens.

Detect and show a maintenance page

Rack-P3p is rack middleware for inserting P3P headers into apps. This will allow your application to serve cookies to IE when in an iframe. It will also pull off the cookie on 304 responses, since IE does not like the cookie then.

JSON Schema based Rack middlewares

Drop-in image thumbnailing for your Rack stack.

Log inbound and outbound API requests in your Rails application

Rack adapter for Reel

A simple library for communicating with the Robinhood API

roy is a small library which allows every Ruby object to be used as a Rack application.

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

A mobile web application framework in Ruby

Rugalytics is a Ruby API for Google Analytics.

A Serverless v1.x plugin to build your deploy Ruby Rack applications using Serverless. Compatible Rack application frameworks include Sinatra, Cuba and Padrino.