ActiveJobMetadata lets you store and retrieve metadata associated with ActiveJob jobs regardless of the queue processing library you use.

Get redis relational

Metrics based on ActiveSupport::Notifications

Declares attribute for Active Model objects

ActiveModel-style email address format validator

Enhances application models with a simple and unobtrusive Presenter pattern implementation.

Adds methods for automatic deserialization from standard JSON and XML, and a variant implementation of serialization/deserialization for XML.

Serialize hashes with ActiveModelSerializers.

Typecast your active record attributes to symbols.

ActiveModel validators that validate the type of attributes, and that do recursive validation of contained objects parallel to ActiveRecord's validates_associated.

ActiveModel::Unvalidate provides a clean api for removing existing validations from models

Add SEO friendly permalinks to ActiveRecord model with history support.

Raw sql with ruby - ideal for reports, large queries, separating SQL from code logic and CQRS

Allows ActiveRecord and Rails to use a `cached_at` column for the `cache_key` if available

A tool to help with cloning of active record objects.

Allows you to use postgresql CTE in ActiveRecord

Custom preloader for ActiveRecord.

Duplicating ActiveRecords is easy again.

ActiveRecord validator, which prevent change column on update

Provides `ActiveRecord::Relation#except`, a convenience method that let's you select all the fields from a table with the exception of the given ones.