Instrument all rack requests with Harness

A simple standalone jetty launcher for jruby rack apps

Debugging toolbar for Rack applications implemented as middleware. Rails 3 compatible version maintained by Logical Reality Design.

Deploy your Middleman site to Rackspace Cloud Files

Implementation of Edge Side Includes subset for rack

MisoSoup is a Rack application which can server any number of sub-Rack applications and a static web site.

Rack convenience middleware for simplified handling of Accept header.

Rack middleware to set application/javascript media type on xhr requests.

OAuth2 Rack Server

Enable paperclip file upload on Non-Rails rack application such as Sinatra

A Rack App that provides a basic interactive Ruby console and introspection.

Generate curl commands that approximate rack requests.

A Rack middleware that tries to make FB Connect behave a little bit more like other identity providers such as OpenID and OAuth.

Rack middleware for creating faking responses for HTTP web services that an application under test communicates with

Rack middleware to output the state of your request/response headers

A Rack middleware for automatically formatting response body

Rack environment is a rails plugins that lets you define some environments and add some html just after to body tag

Simple Rack Middleware catching exceptions and rendering the error page of your choice

A gem that provides hoptoad notifications from rack

Rack Middleware for detecting robots