http accept language handler

Rack::HttpEnforcer is a simple Rack middleware to enforce http connections

rack-i18n_best_langs is a Rack middleware component that takes care of understanding what are the best languages for a site visitor.

Detects the current locale from query parameter, path prefix, host or accept header.

rack-i18n_routes is a Rack middleware component that internally re-routes URLS that have been translated into untranslated or canonical URL.

Gives you a Rack middleware to generate pictures representing data, like gravatar does.

Fixes an obscure issue with redirects that happens with IE and SSL

Ignores X-Forwarded-Host header to prevent malicious redirects

Rack middleware to decode JWT and append it to the rack environment

A rack middleware for logging requests to InfluxDB

Protect invalid UTF8 characters from the URL and other env vars

Basic Rack middleware for Rails 3 to authorize access to path by IP using YML config file

Simple Rack middleware that blocks manually blacklisted IP's.

White and clacklist IPs

Rack::Joint is a rack middleware to set redirect configuration with your anticipation.

A collection of rack middlewares helping you add JSONP to your app

Rack Middleware for JSON APIs accessed cross-domain from legacy browsers Firefox version 4 does not support response headers for cross-domain requests. This middleware intercepts all requests and if the X-WRAP-RESPONSE is set, the response will be wrappped in JSON like {header: ..., body: ...}

Rack middleware for authentication using JSON Web Tokens using the jwt_claims and json_web_token gems.

LESS CSS preprocessing for Rack apps.

Rack Based Locale Selector