Currently stores received mail in MongoDB

Redis + MsgPack RPC Server, Client Library

RSpec Matchers for Mongoid

Repository?

Ruby MongoDB Reader

A very simple crawler for RubyGems.org used to demo the power of ElasticSearch at RubyConf 2013

RunRabbitRun gem lets to run and manage multiple ruby processes for RabbitMQ

MongoDB storage for ruote (a Ruby workflow engine)

A friendly event-driven chatbot framework. Supports Twitter and XMPP.

Display your current ladder rank, report the outcome of games, and more

A lean, mean blogging machine for hackers and fools.

A simple blog engine for hackers.

Repository implementation for entity persistence

An ActiveModel (MongoMapper/Mongoid/ActiveRecord 3+) compliant seed data handler for any ruby project.

SES Machine description

sim_back

SimpleMetrics

A Sinatra application that makes it easy to collect and store web statistics

Simple Driver to access Mongo from Rails

A simple wrapper for instantiating a MongoDB connection in Sinatra