Middleware that provides both file extension and HTTP_ACCEPT-type content negotiation for Rack applications

A Rack middleware that transforms async requests (using thin + async_sinatra for example) into synchronous requests. Useful for testing Async Sinatra apps with a minimum of changes in your testing environment.

Rack middleware for declaratively setting the HTTP ContentSecurityPolicy (W3C CSP Level 2/3) security header to help prevent against XSS and other browser based attacks.

Rack Middle to creating static copies of rendered endpoints and reload them. It equates to a static file cache with other possible uses. See rubyops.net/gems/rack-hard-copy for details.

Rack middleware to quickly add ip whitelisting to your app

Just use Rack::HTTPCat in your application for all requests to have a link to the https://http.cat for their status under the HTTP-Cat header.

Provides Rails helper methods wrapping the HTTP headers set by Rack::Html5.

Simple Rack wrapper around HoptoadNotifier.notify

Structured, key-value logging for your rack apps. Inspired by lograge.

any request in the rack layer, returns any json response(Content-Type: application/json) and http status.

Basic Rack middleware for Rails 3 to authorize access to path by IP using YML config file

Rack middleware for scoping requests and sharing accounts.

Rackful provides a minimal interface for developing ReSTful web services with Rack and Ruby. Instead of writing HTTP method handlers, you’ll implement resource objects, which expose their state at URLs. This version is not backward compatible with v0.1.x.

Rack middleware that detect and handle memory leaks

This Rack middleware takes any JSON response and format all the values (but null) to string whenever the proper header value is set.

Rack middleware for Facebook applications

Rack middleware to serve Jekyll static content.

Rack middleware for recording request metrics

A simple piece of rack middleware to redirect certain URLs when they are navigated to directly. Designed for use with sites where the same site is served across several domain names that each highlight different specialities.

Extends rack-test to make working with EventMachine easier.