virtus

Attributes on Steroids for Plain Old Ruby Objects

$gem install virtus

Official docs outline

Extra Credit builds an outline of virtus's docs the first time your work uses it. Until then, start at the official documentation.

image_processing High-level wrapper for processing images for the web with ImageMagick or libvips.
database_cleaner-core Strategies for cleaning databases. Can be used to ensure a clean slate for testing.
rqrcode rqrcode is a library for encoding QR Codes. The simple interface allows you to create QR Code data structures and then render them in the wa
celluloid-io Evented IO for Celluloid actors
aws-sdk-ses Official AWS Ruby gem for Amazon Simple Email Service (Amazon SES). This gem is part of the AWS SDK for Ruby.
equalizer Equalizer provides a simple way to define equality (==), equivalence (eql?), and hashing (hash) methods for Ruby objects based on specified
dalli High performance memcached client for Ruby
debug Debugging functionality for Ruby. This is completely rewritten debug.rb which was contained by the ancient Ruby versions.
xcpretty-travis-formatter Formatter for xcpretty customized to provide pretty output on TravisCI
guard-rspec Guard::RSpec automatically run your specs (much like autotest).
gyoku Gyoku translates Ruby Hashes to XML
axiom-types Define types with optional constraints for use within axiom and other libraries.