Serve up the current git commit SHA from rack

Includes the X-Clacks-Overhead header inside your rack application. http://redd.it/2yt9j6

Simple Rack middleware that blocks manually blacklisted IP's.

Rack middleware that populates the params variable with the contents of matrix parameters in a URL

Allows you to create a customized maintenance mode for your application that is run early in the Rack stack.

This is a rack middleware that convert params key between JavaScript app and Rails app.

Rack middleware for parsing json requests.

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