Metrics based on ActiveSupport::Notifications

Common validations for ActiveModel

Render your JSON in a Normalizr-like JSON format

Build a hash based on active record attributes.

ActiveModel child model validations delegater.

Monitor application status and health in a sane way Rails-y.

ActivePropagation provides classes and ActiveRecord extensions for propagating changes amongst models, optionally using Sidekiq to parallelize the process.

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

RabbitMQ publishers & consumers in a rails-inspired syntax

Analyze an ActiveRecord class to get information about its associations. You will be able to know all its has_many and belongs_to for instance.

A ruby library for making requests to the services using the active_record_api-rest_controller gem

ActiveRecord-Archiver is a simple tool for taking a subset of the records in one environment and exporting them for use in another environment. Design Constraints: - leave out ids so as not to create collisions in the new environment - preserve relations between records - Allow for cyclic relationships

Activerecord::BitField provide a feature of mapping bit fileds to RDB table in ActiveRecord.

a framework for xross transformer between ActiveRecord and other format.

Bulk insert or update

This gem extends cashier with possibility to add AR objects and classes as keys and automaticaly hook with AR to clean up this keys on object change/deletion

Loading up TEXT/BLOB columns can be slow

A utility to bulk load test data for performance testing.

Adds deselect logic to ActiveRecord

ActiveRecord::EnumWithLabel adds label and more to ActiveRecord::Base.enum.