Database console for Ruby applications running on Rack with ActiveRecord and following the Rails "config/database.yml" database configuration pattern

Useful for serving tarballs via Rack

Play a selection from Die Fledermaus with every request.

Rack middleware to log in from a "remember me" Devise cookie.

A Ruby clone of the awesome Webdis Redis web API

This Rack middleware allows you to run specific apps when the request domain matches a given filter. The filter can be provided in a number of ways, for example as a regex or as a string.

Per-domain filter for Rack.

Rack::DomainRedirect is a tiny rack middleware for redirecting to the configurable domain. If user request's the service from domain other than that configured it redirects to the first domain on the configuration list. If no domain is configured it does noting and passes requests to another application in the chain.

Rack middleware for creating faking responses for HTTP web services that an application under test communicates with

Redirect urls with uppercase letters to their lowercase equivalents.

Rack::Downtime provides a variety of ways to easily trigger and display planned maintenance notifications to users while a site is still up. Various strategies are provided that will work with sites of all sizes.

Rack middleware for ensuring only proper hosts get passed to your application

A tiny middleware that determines whether this request was from the internal network or not.

Rack middleware to set ENVironment variables around your app.

Middleware that displays the custom notification for every html page. Designed to work both in production and in development.

Rack::Ermahgerd is a simple Rack middleware that translates the content of a web page into Ermahgerd-ish

Rack middleware to log request errors and respond with standard message

Rack middleware to check esa webhooks are authentic

Racket is a small MVC framework built on top of rack.

In early 2011 Facebook started to send all application requests as POST. This Rack middleware converts POST requests back to GET when applicable.