An extension for Rack::Attack that supports responding to throttled requests with Recaptcha tags

A rack middleware to output access log in ltsv format

Rack middleware for redirecting 'www' requests, based on the original idea by trevorturk (http://trevorturk.com/2009/11/05/no-www-rack-middleware/).

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

A simple router for Rack apps

A rack middleware to enforce appending or removing trailing slashes.

Rack middleware that deletes cookies at designated paths, including support for wildcard patterns for flexible cookie management.

Rack middleware to route requests with subdomains to specified routes with substitutions

Provides a simple router & dispatcher for Rack.

Rack middleware for handling large file uploads. Integrates nicely with the Nginx upload module: http://www.grid.net.ru/nginx/upload.en.html

Rescue Handler for Rack

A simple profiler for Rack applications, only depending on ActiveSupport::Notifications

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

Analyze timing and process info from your Rack stack.

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

A Rack profiler for web applications.

Rack middleware that injects a message into HTML responses.

Rack middleware for idempotency guarantees in mutating endpoints.

Rack response-time statistics aggregator middleware

Rack::ActionLogger is a tool to log user activity