Multidb is an ActiveRecord extension for switching between multiple database connections, such as primary/replica setups.

Brainstem allows you to create rich API presenters that know how to filter, sort, and include associations.

This rubygem does not have a description or summary.

Give your models as-of date temporal extensions. Built entirely for PostgreSQL >= 9.4

Provides automatic deadlock retry and logging functionality for ActiveRecord and MySQL

Fast batch deletes for Active Record and Postgres

Easy role authorization in rails

Ferry is a data migration and visualization command line tool rubygem that seeks to simplify the increasingly prevalent big data problems for developers

hydra_attribute is an implementation of EAV pattern for ActiveRecord models.

Rails I18n library for ActiveRecord model/data translation using PostgreSQL's JSONB datatype. Translations are stored directly in the model table rather than shadow tables.

Organizes ActiveRecord models into a tree/hierarchy using a materialized path implementation based around PostgreSQL's ltree datatype. ltree's operators ensure that queries are fast and easily understood.

A user-centric flagging extension for Rails 3 applications.

Ruby gem that automatically adds a lock timeout to all Active Record migrations

Loader to solve N+1 issue for good.

Extend Ruby on Rails ActiveRecord with Neo4j nodes. Keep RDBMS and utilize the power of Neo4j queries. Originally by @elado.

Store nested hashes and other types in ActiveRecord hstores

Write-through and Read-through Cacheing for ActiveRecord

Disables observers during testing, allowing you to write model tests that are completely decoupled from the observer.

Off The Rails ActiveRecord: Use ActiveRecord with Grape, Sinatra, Rack, or anything else! Formerly known as 'grape-activerecord'.

use pagy for cursor-based pagination with rails