In ActiveRecord, allows you to query the association of the records that your current query would return. If you need the comments of some posts: `Post.where(...).follow_assoc(:comments)`. You can then chain `where` on the comments.

Efficient Rails group count if you need the summed up count instead of the hash. Can be used with Kaminari to speed up total_pages and total_count.

Include ActiveRecord::Immutable in your ActiveRecord models to make your tables append-only.

Implements the Null Object Pattern for nil values in ActiveRecord associations.

Allows polymorphic loading of has_many through objects

A simple ActiveRecord extension to support where with comparison operators (`>`, `>=`, `<`, and `<=`).

Get raw data from ActiveRecord

Database sharding library for ActiveRecord

Shorten index name

This gem changes ActiveRecord's query logs to be compatible with the sqlcommenter format.

A data structure for adding survey capabilities using activerecord

ActiveRecord Tablefree Models provides a simple mixin for creating models that are not bound to the database. This approach is useful for taking advantage of the features of ActiveRecord such as validation, relationships, nested_attributes, etc.

Define attributes in arel

An implementation of repository pattern that can connect with any ORM

Performs a Sanity Check of your database by logging all invalid Active Records

Adds customer-supplied encryption keys to storage services.

Adds resumable support for ActiveStorage.

Silent your Active Storage logs to avoid "noise" in logs.

Upyun service for activestorage

The pre-defined variants feature is introduced in Rails 7. Using this gem, take the feature in advance for projects using Rails 6.