A RPC using Anything But XML (RABX) message parser and emitter

Rack middleware that works with Sinatra to dynamically create CRUD endpoints and routes based on models. It ain't perfect, but it works. These generated CRUD routes are assumed to return a Rack response. It's important to note, that you models and endpoints must be in separate modules...

rack-banken is rack application for return error response.

CanIUse checks if your user's browser supports the technologies your website relies on by using the www.caniuse.org database. It allows you to redirect unsupported user agents away from your website.

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

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

Racket Registry is an easy-to-use container lib for most of your dependency injection container needs.

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

Rack middleware to filter params from HTTP requests

A rack middleware component that handles simple geoip lookups.

Rack middleware for checking the process commit hash on Heroku

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

A rack end point for storing json documents.

Rack::JsonLogs is a gem that helps log sanely in production.

This Rack middleware takes any JSON response and format all the values (but null) to string whenever the proper header value is set.

rack-minitest = rack-test + Minitest

A rack endpoint for adding subscribers to an email list

Multiplex multiple rack servers to the same app.

OAuth Echo authentication by a rack middleware

This is a rack middleware that convert params key between JavaScript app and Rails app.