A Rack middlware which reads from a Rails configuration variable, determining which hosts are allowed to connect to your Rails app.

rack middleware to handle request from cname proxy

A rack middleware to show gray-scaled favicon on development

A middleware to process wrong encoded URLs in Rack applications.

A Rack middleware for automatically removing file extensions from URIs, and update the Accept HTTP Header accordingly.

Rack::Archive::Zip::Extract serves files in zip archives.

Rack Middleware for inserting Lettering.js style syntax into a response body

Clean dirty cookies from Rack environment

Rack middleware to log in from a "remember me" Devise cookie.

For unit, controller, or integration tests, inject an authenticated user into a Rack session

Datamapper session for any Rack based application. Don't forget to automigrate.

AMF gateway packaged as a rack middleware

A Rack middleware to work around the IE/PDF/SSL bug described here: http://stackoverflow.com/questions/1574108/rails-pdf-generation-with-prawn-in-ie7

In early 2011 Facebook started to send all application requests as POST. This Rack middleware converts POST requests back to GET when applicable.

Rack middleware for Pygments use in environments you cannot install Pygments directly (e.g., Heroku).

Rack Based Locale Selector

Computes the final length of a Rack response body and adds an HTTP header with the value.

Rack middleware rate limiter that provides both time-based limits and quantity-based limits

Rack middleware for checking if app is alive or not - optionally via custom condition(s).

A Rack Middleware that fakes a session