Adds enumerations to your models

Enum machine is a library for defining enums and setting state machines for attributes in ActiveRecord models and plain Ruby classes.

Gem for dealing with epay.bg payments.

Ephemeral lets you define one-to-many relationships between in-memory objects, with ORM-like support for where clauses and chainable scopes.

Erector is a Builder-like view framework, inspired by Markaby but overcoming some of its flaws. In Erector all views are objects, not template files, which allows the full power of object-oriented programming (inheritance, modular decomposition, encapsulation) in views.

Connects Mejuri with third-party ERP vendors

Correct strings based on remote errata files.

GitHub integration for Errbit

Elasticity provides a higher level abstraction on top of [elasticsearch-ruby](https://github.com/elasticsearch/elasticsearch-ruby) gem

Make your Ruby objects searchable with Elasticsearch.

A Ruby library for interfacing with all aspects of the EVE Online MMO. It is designed for use within a Ruby on Rails project, but does not require Rails as a dependency. That means there is nothing preventing you from writing a stand-alone application or script using this library.

Generates HTML event calendars

Database based event counter with throttling per time intervals

simple elegant customize hooks

EventQ is a pub/sub system that uses async notifications and message queues

EveOnline ESI API.

Provides an easy-to-use ruby interface into the ExactTarget SOAP API, using the Savon client.

Log HTTP requests made via Excon and their total runtime in Rails request log.

Wrapper around interacting with APIs

Facteur allows you add a messaging system in your Rails 3. You can create many mailboxes for your users. They will be able to send and receive messages.