This is useful when you want to define optional validations for a resource and keep it valid.

Presenters for rails.

A spaced-repetition system to be used with ActiveRecord models

Transparent conversion for ActiveRecord

Custom RuboCop Extension that will prevent you from adding ActiveRecord callbacks to your Rails code.

CLI-tool to check data integrity of the Rails-application project

A utility to bulk load test data for performance testing.

Denormalize fields in ActiveRecord.

Generates encrypted_string type that transparently encrypt and decrypt string value to ActiveRecord.

ActiveRecord adapter that raises an exception when used

Optionally prevents threads from checking out activerecord connections.

Adds model translations allow you to translate your models' attributes

Backport of ActiveRecord::Base.ignored_columns into Rails 4 and 5.0

Instead of a many-to-many join table, serialize the ids into a JSON array.

Mass Insert For ActiveRecord via Postgresql json_to_recordset

Adds :destroy_if option to accepts_nested_attributes_for, which is basically a stronger version of :reject_if that destroys existing records, too.

Order your ActiveRecord scopes by a supplied list of ids

Signalize when some primary key overflow soon.

Adds support for working with temporary tables and pivot tables (PostgreSQL only)

handle Polyline object on ActiveRecord