Provides the ability to create Active Record objects from Protocol Buffer messages and vice versa.

Automatic generates public unique identifier for model

A simple interface over several background job libraries like Resque, Sidekiq and DelayedJob.

Log inbound and outbound API requests in your Rails application

Multi tenancy support for Rails

Patching rails include/select/virtual attributes issue ( https://github.com/rails/rails/issues/15185 )

Keep a DRY history of your ActiveRecord models' changes

ruby-ensembl-api provides a ruby API to the Ensembl databases (http://www.ensembl.org)

SafeFinder lets you define model's null_object through simple DSL, and returns it when you can't find a result.

Adds useful accessors to ActiveRecord's Column object.

Extended support for foreign key constraints in ActiveRecord, including: definition as column attribute; deferrable; and SQLite3 support; cleaner dumps; and more!

Adds support for views to ActiveRecord

Plain old Ruby for generating primitive data structures from object graphs.

A bridge between using AR and a full blown schema-free db.

Small DSL to create ActiveRecord (>= 3.1) attribute predicates without writing SQL.

Allows multiple environments in database.yml, and dynamically switching them.

Simple Role System for Rails Apps

Simple, straightforward slugs for your ActiveRecord models.

Spectacles adds database view functionality to ActiveRecord. Current supported adapters include Postgres, SQLite, Vertica, and MySQL.

Grown up ActiveRecord::Store config options!