Excalibur is a SEO related gem for Ruby on Rails that helps you to set the title and meta tags for your site overall and per page in a nicely structured and with separated concerns.

Excel utils for easy read and write

JRuby DSL for XML Building and Manipulation with XPath

Uses pipes to re-raise exceptions. Something better than an exit code has to exist.

exception_hub logs exceptions in your Rails application to Github issues

Gem that receive errors from exception_notification gem and show it grouped on pages

Plugin to use Squash with ExceptionNotification

a pushover notifier for exception_notification

except_nested allows extraction of given hash values at various depth of the hash.

Currencies Exchange rates api client

Leverages citero-jruby gem and acts_as_citable to deliver a download and push mechanism.

Temporary users and groups, rlimits

PostgreSQL backed active job adapter which uses `LISTEN/NOTIFY` to listen for jobs and `FOR UPDATE SKIP LOCKED` to reserve jobs.

A DSL for defining jobs that can be run in a highly scalable manner

Ruby client for the Exist life-tracking/correlation platform API (http://exist.io)

Exnum is enum extention for Rails. This gem extends enum about i18n and associated parameters.

Exoskeleton will build a basic Backbone.js structure for your rails application

Expand text snippet from simple shortcuts on the command-line

Calculate expired backups.

The library provides functionality to calculate the expiration from different dates and time objects.