Cosmicrawler is crawler library for Ruby. It provides scalable asynchronous crawling by (http|file|etc) using EventMachine.

A simple worker to run Ruby jobs periodically

CLI based DNS propagation check tool

DoverToCalais allows the user to send a wide range of data sources (files & URLs) to OpenCalais and receive asynchronous responses when OpenCalais has finished processing the inputs. In addition, DoverToCalais enables the filtering of the response in order to find relevant tags and/or tag values.

eio - a libeio wrapper for Ruby

Eventmachine campfire API lib

DNS::Resolv made ready for EventMachine

You dont have to think in terms of EM.run and EM.stop anymore. Simple and intuitive api which can be used in synchronous manner without dealing with callbacks. More detailes at project homepage.

Asynchronous (EventMachine) HandlerSocket client

em-irc is an IRC client that uses EventMachine to handle connections to servers

the most simple, one trick, ultra thin connection pool for MySQL2 usage in a Eventmachine reactor loop.

Monkeypatching Net::HTTP to use em-http-request under the hood.

EventMachine based, promise/deferred implementation

An eventmachine-based implementation of the Redis protocol

Test EventMachine code in RSpec 2

EventMachine functionality for rubyserial gem that functions under a wide assortment of rubies

EventMachine-powered sFlow Collector

Simple BDD API for testing asynchronous Ruby/EventMachine code

Simple syslog integration into EventMachine at the class level.

A rate-limited Queue for EventMachine