Rack Middleware for parsing post body data for json, xml and various content types

Middleware that converts files uploaded with mimetype application/octet-stream into normal form input, so Rack applications can read these as normal, rather than as raw input.

Rack instrumentation for the OpenTelemetry framework

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.

Rack::Request extension for handling User-Agent.

rack-asset-compiler is a Rack middleware that provides a generic interface for compiling static files, such as Sass or CoffeeScript files. rack-asset-compiler does not use any local file storage and makes use of caching headers such as "Cache-Control" and "If-Modified-Since". This makes it idea...

Find yourself missing a `rails console` analogue in your other Ruby web applications? This lightweight gem provides a Rack::Console that will load your Rack application's code and environment into an IRB or Pry session. Either use `Rack::Console.start` directly, or run the provided `rack-console`...

A message bus for rack

rack-indifferent monkey patches Rack::Utils::KeySpaceConstrainedParams to make the hash it stores params in support indifferent access. So web frameworks that use rack-indifferent don't have to make a deep copy of the params to allow indifferent access to the params.

Provides a more HTTPish API around the ruby-openid library

rack-facebook is a Rack middleware that checks the signature of Facebook params, and converts them to Ruby objects when appropiate. Also, it converts the request method from the Facebook POST to the original HTTP method used by the client.

Rack-ESI is a Nokogiri based ESI middleware implementation for Rack with support for include tags, all other ESI namespaced nodes are just removed. To make this gem work you must define the (xmlns:esi)[http://www.edge-delivery.org/esi/1.0] namespace in your text/html response. Note: This gem shou...

Rack::Health is a health check interface for rack applications.

Because you don't allow strangers into your app, and OAuth 2.0 is the new awesome.

rack-deadline is a simple rack middleware that automatically clears sessions that have been open too long (by default, 1 day). This is designed for use with cookie stores to mitigate the risk of session fixation, since it is impossible to invalidate older sessions with a pure cookie-based approa...

Web page speed optimizations at the Rack level

Rack::MobileDetect detects mobile devices and adds an X_MOBILE_DEVICE header to the request if a mobile device is detected. Specific devices can be targeted with custom Regexps and redirect support is available.

Rack middleware for rblineprof (github.com/tmm1/rblineprof)

Flash hash implementation for Rack apps.

rack-pygments - Rack Middleware for Pygments, the syntax highlighter