ActiveRecord model inheritance support by module.

Effortless handle payment transactions with active_merchant.

This gem make easier to building modern web 2.0 portals using Ruby on Rails.

Presenters for rails.

Create previews of ActiveRecord objects that don't modify the database

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

Atomic updates to ActiveRecord models

Simply conditions DSL for ActiveRecord

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

This gem adds custom block expectation matchers for RSpec, such as `expect { ... }.to create_a_new(User)`

A collection of useful coders for ActiveRecord, including a pipeline for chaining them.

ActiveRecord extension to store column metadata in database as comments on columns

Loading up TEXT/BLOB columns can be slow

Simple CSV import/export for ActiveRecord

ActiveRecord extension for cursor based pagination.

Use database validations and convert ActiveRecord::StatementInvalid into ActiveRecord::RecordInvalid

Sometimes it's necessary to store incomplete records, without fullfilling all validations, to complete and then validate the record. ActiveRecord::DraftRecords allows you to persist an record even if it's invalid by tagging it as a draft.

A library to make ActiveRecord::Relations even more awesome

Optionally prevents threads from checking out activerecord connections.

Allows for larger level scoping (framing) that affect complicated queries more holistically