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

It is a library that performs extended verification when an error occurs when executing SQL.

Provide access to PostgreSQL's sequences

Database sharding library for 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.

Guarantee uniqueness of a single attribute across one or more children of an ActiveRecord object Works around https://github.com/rails/rails/issues/4568

Adds customer-supplied encryption keys to storage services.

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

A simple mechanism allowing your users to wait for the completion of your `ActiveJob`

Generic approval queues for record creation, updates and deletion

A Bootstrap theme for Administrate: clean design, easy to install, customizable

A Material Design theme for Administrate using Materialize framework

Aether Observatory provides an event broadcast system.

Throttling of ActiveRecord model creations.

Ruby interface to the AMEE carbon calculator

Rails engine to implement a Ruby backend store implementation for Annotator, an open-source JavaScript library to easily add annotation functionality to any webpage.

Simply add this gem to your application and make your life easier with switching users.

Apress-Api

This is a functional replacement for acts_as_archive in rails 3 applications, the only functionality that is not duplicated is the migration from acts_as_paranoid

Like Rails' assert_difference, but more compact and readable syntax through hashes, testing ranges and improved error reporting.