Rack middleware that handles user authentication against a cas server

Set X-Forwarded-For header to original client IP when using Cloudflare in proxy mode

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

Compose declarative, component-based responses to HTTP requests

load environment variables from .env or specified file.

Rack middleware to send email when exceptions are raised

Rack middleware for logging traffic to fluentd.

Parse and serialize geospatial HTTP headers.

A healthcheck interface for Sinatra and Rails framework

Rack middleware for idempotency guarantees in mutating endpoints.

Allows you to use Jetty as a Rack adapter in JRuby. Compatible with rackup and rails' Rack support.

Rack jwt auth middleware

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

Rack middleware for Linked Data content negotiation.

A rack middleware to output access log in ltsv format

Rack::MethodOverride only checks the X-Http-Method-Override header and the form encoded post body for _method. Rack::MethodOverrideWithParams checks both of those _and_ the query params. So, if you POST xml with a url like http://example.com/?_method=delete the application will see it as a delete request.

Provides a simple router & dispatcher for Rack.

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

Rack parameter validation and type coercion.

Small rack middleware to block your site from unwanted vistors. A little bit more convenient than basic auth - browser will ask you once for the password and then set a cookie to remember you - unlike the http basic auth it wont prompt you all the time.