An ActiveRecord extension providing convenience methods for timestamp management.

Adds unique attribute support to ActiveModel models.

CPF and CNPJ validations for ActiveModel and Rails

Define additional sets of validations beyond the standard "errors" that is tied to the ActiveRecord life-cycle. These additional sets can be defined with all the standard ActiveRecord::Validation macros, and the resulting collection is a standard ActiveRecord::Errors object.

Valle automatically sets minimum and maximum values for the fields of your ActiveRecord model(s), so you shouldn't worry, that string length or ID value will exceed the permissible limit.

Use arel predicates directly from where.

When an ActiveRecord/ActiveModel model won't save because it's invalid, this gem writes the validation error messages to the log.

Lets you use the Workflow gem with your Mongoid documents to add state machine functionality.

A collection of utilitarian named scopes providing common functionality for ActiveRecord models.

HyperLogLog for Rails and Postgres

Ruby library to automatically preload data for your Active Model Serializers

Simply cache whatever you want by using cachers which will help you maintain cached objects and expire them when they are changed. Support Rails 3, 4, 5.

Make ActiveRecord null model aware.

Amazon Aurora Serverless is an on-demand, auto-scaling configuration for Amazon Aurora (MySQL-compatible and PostgreSQL-compatible editions). Perfect for small Rails on AWS Lambda.

Allows you to manage preload condition by `:if` condition.

Makes read-only models easier to implement in ActiveRecord 3.x/4.x/5.x.

Make ActiveRecord queries cacheable throughout your apps!

A new way to manage multi-tenant applications based on multiples databases

Supports binary COPY into PostgreSQL with activerecord

Extends ActiveRecord to support covering indexes in PostgreSQL using the INCLUDE clause.