You should totally be using Virtus instead of this

Store passwords securely.

Simple parametable object creator with lazy loading options. Objects can be hashable and optionally convert all values to strings.

Schema-less attribute storage

attr_pow gives you smart attributes. You may sepecify defaults, use attr_pow for hooks, and even define clonability and queuability.

Provides a few methods to set up internal accessors for instance variables

Provide a new macro like attr_accessor to make real read_only accessors to frozen dup of the attributs given in parameters

The opposite of ActiveRecord's attr_readonly.

Securely stores activerecord model attributes

quickly specify model attributes that should be serialized when to_json is called

Supplies macro similar to attr_accessor that adds default values, predicate methods, and other enhancements

Generate attributes with strong types and validations.

attr-translatable gem allows attributes of ActiveRecord to be translated.

attr_accessor with typecast feature.

Enforce attribute types at assignment time

This gem makes binary uuid attribute easy to use

defines getter and setter via Value Object to separate logic from model

Client for the Attune product ranking API.

A Ruby client generator for JSON APIs described with a JSON schema

Model / View / Controller isn't enough for today's complex web applications. Encapsulate your business logic in Service objects so that when you write a piece of business logic, you only write it once.