R4S is a gem that simplifies sending server side events (SSE) to multiple browsers in Rails 4. It is supposed to simulate broadcasting to all the browsers that are connected to it.

Requires rabbitmqadmin to be in your path

It is similar to resque, but uses rabbitmq

Documentation

Utility code to obtain the RabbitMQ service connection information on multiple PaaSes. The returned connection info can then be passed to common Ruby AMQP client libraries.

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 (read: namespaces). Input and Response data are formatted as JSON. See the README for more info.

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.