Builds ActiveRecord outer joins from association paths and provides references to table aliases.

kaminari-grape connects Kaminari and Grape

Double entry bookkeeping with Rails

An extension for Lograge to log SQL queries

A user-centric voting extension for Rails 3 applications.

Act as Notified is a flexible framework to add notifications to a Rails application

Octoshark is a library for switching between multiple ActiveRecord connections

Octoshark is a library for switching between multiple ActiveRecord connections

Provides automatic deadlock retry and logging functionality for ActiveRecord and MySQL

Paperclip-Azure is a [Paperclip](https://github.com/thoughtbot/paperclip) storage driver for storing files in a Microsoft Azure Blob.

A faster alternative to the custom use of `in_batches` with `pluck`.

Allows the *_type field in the DB to be an integer rather than a string

Build complex SQL queries by defining each subquery separately. Query::Composer will then compose those subqueries together, nesting as needed, to produce the final SQL query.

Properties gem for Ruby on Rails

RecordWithOperator is a rails plugin that makes your all active record models to be saved or logically deleted with created_by, updated_by, deleted_by automatically. Also it makes creator, updater, deleter association (belongs_to) if the class has created_by, updated_by, deleted_by.

Positionless model sorting for Rails.

Real stubs and spies for HTTP(S) services

Adds shorthands and conveniences to ActiveRecord's handling of indexes

Allows Sequel to use ActiveRecord connection for database interaction.

Setler is a Gem that lets one easily implement the "Feature Flags" pattern, or add settings to individual models. This is a cleanroom implementation of what the 'rails-settings' gem does. It's been forked all over the place, and my favorite version of it doesn't have any tests and doesn't work with settings associated with models.