A Rack endpoint that generates cache manifests and other useful HTML5 offline utilities that are useful on the server-side. Rack::Offline also provides a conventional Rails endpoint (Rails::Offline) that configures Rack::Offline using expected Rails settings

If you are creating Rack middleware that changes the HTML response, use Rack::Mason to get a head start. Rack::Mason takes care of the boilerplate Rack glue so that you can focus on simply changing the HTML. Notethis is a fork from https://github.com/techiferous/rack-mason (c) techiferous@gmail.com

This Rack middleware records incoming Rack request and responses in a VCR compatible format.

Rack::Brotli enables Google's Brotli compression on HTTP responses

JSON Schema based Rack middlewares

This is Rack middleware that makes your app compliant with the 'EU ePrivacy Directive'

Rack middleware Captcha verification using Recaptcha API.

A client wrapper around a Rack app or HTTP

Flexible rate limits for your Rack apps

Rack middleware for Weixin apps: message validation/parser/generator

Tools for monitoring Rack apps in production.

Rack::State is middleware that securely stores and manages object state. Applications use the Manager API to set, get, and delete state of any object that requires persistence in a stateless environment. Rack::State is similar to Rack::Session, but provides state management for multiple objects...

Rack::EnvInspector is a Rack middleware for debugging that allows you to dump the Rack environment by appending a query parameter to the URL.

Rack::GridServe is a Rack middleware for serving files stored in MongoDB GridFS. It is meant as a simple replacement for Rack::GridFS until it is ready for Mongo driver version 2.0 and above.

Rack::Synctime is a simple Rack middleware that returns sync time (time when request started) in HTTP headers (#{Rack::Synctime::DEFAULT_HEADER_NAME} by default). Header name can be changed also sync time can be modified using time offset i.e. -5 seconds (server time in seconds decreased by 5) et...

Because you don't allow strangers into your app, and OAuth 2.0 is the new awesome.

Simple Rack middleware for implementing Piwik Analytics tracking in your Ruby-Rack based project.

Rack::Sanitizer is a Rack middleware which cleans up invalid UTF8 characters in request URI and headers.

Private Rack middleware purpose is to protect your Rack application from anonymous via a secret code form.

Rack middleware that fixes the discrepancy between jQuery.param and how Rack parses nested queries.