A rack based middleware that does fun/silly metrics reporting.

A Rack Middleware to help to fix mixed contents issues

Rack middleware for tracking Mixpanel events

Rack middleware to fake some environment variables that make it seem like mod_pubcookie is being used. Useful for dev environments.

Rack::Modernizr is a Rack middleware that automagically includes the Modernizr javascript framework and exposes the results to your server-side scripts.

A rack middleware and/or endpoint to serve up files from MogileFS

Rack middleware to process Web Monetization API states

Save data into your mongo collections through a rack app

A rack application working as an adapter for Mongoid

A rack application working as an adapter for Mongoid

A rack endpoint for adding subscribers to an email list

Helps analyse memory usage in your Rack apps

Rack Middleware that creates a series of thumbnail views of multiple pages in your application.

Rack middleware for scoping requests and sharing accounts.

Multiplex multiple rack servers to the same app.

Would be useful to enable OpenID authorisation with your Ruby/Rails-based blog, personal website or whatever.

Redirect naked domain to www

A Rack middleware that provides an endpoint to start the New Relic agent.

Automatically generate webservice endpoints for Newsstand

Racknga is a Rack middlewares that uses Rroonga features.