A simple event bus on top of common background queues. Publish and subscribe to events as they occur using what you already have.

Rate limiting based on Generic Cell Rate Algorithm

ORM for Redis (advanced key-value storage) with ActiveRecord API

Log Redis commands and their total runtime in Rails request log.

Redis-backed rate limiter

A gem to help build event-based code in Ruby

Hyper simple job workflow engine

The easiest way to check how many times a URL has been shared on Reddit, Digg, Twitter, Facebook, LinkedIn, GoogleBuzz and StumbleUpon!

A simple event bus on top of Sidekiq. Publish and subscribe to events as they occur through a queue.

Server Sent Events for Sinatra

Simple, fast autocomplete server for Ruby and Rails

A simple administration interface for Stoplight.

Achievements is an abstract, Redis-backed, counter based achievements engine designed to be included in Model classes in web applications. Achievements lets you track and persist user actions with a simple bind and trigger design pattern.

An APN server & library in which EventMachine daemons maintain a persistent connection to Apple servers and Redis acts as the glue with your Apps. See Readme for more info :)

Cartman is a frameworke agnostic, redis-backed, shopping cart system

Celluloid::IO support for the redis-rb library

A modern modular service object toolkit for Rails, that respects database transactions and adds type checks to returned values.

see http://cpee.org

Simple, lightweight and fast metrics aggregation for Rails.

A fair way to queue work in multi-user systems.