Rack middleware for Linked Data content negotiation.

Rack middleware to return OK.

Rack Upload handler with Nginx Upload Module support

Rack jwt auth middleware

Rack middleware that provides authentication based on CloudFlare JSON Web Tokens.

Rack::GeoIPCountry uses the geoip gem and the GeoIP database to lookup the country of a request by its IP address

Rack middleware port of Rails's respond_to feature.

Rack middleware that injects a message into HTML responses.

Super-fast router class for Rack application, derived from Keight.rb. See for details.

Rack level reverse proxy.

Rack middleware to send email when exceptions are raised

Rack middleware for logging traffic to fluentd.

Includes {'X-Clacks-Overhead': 'GNU Terry Pratchett'} header inside any rack application. http://redd.it/2yt9j6

Provides timing output around each of your Rails rack-based middleware classes.

A Rack profiler for web applications.

A tiny piece of Rack middleware to set the default Accept: header

Rack middleware implementing graphql endpoint.

Security related HTTP headers for Rack applications

Rack::ActionLogger is a tool to log user activity

Rack middleware that validates HTML with w3c validator and displays result in page.