Automatic generates public unique identifier for model

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 )

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

Provides a module insertion protocol to facilitate adding features to ActiveRecord

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 in ActiveRecord for PostgreSQL index expressions and operator classes, as well as a shorthand for case-insensitive indexes

Adds support for views to ActiveRecord

A Rails gem to automate and customize database seeding for ActiveRecord models, using Faker and configurable YAML files.

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

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

Simple, straightforward slugs for your ActiveRecord models.

Super simple slugs for ActiveRecord 3.0 and higher, with support for slug history

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

Grown up ActiveRecord::Store config options!

Adds unique attribute support to ActiveModel models.

Skip default_scope in your associations

CPF and CNPJ validations for ActiveModel and Rails