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.

Create and modify your notifications through a simple API.

Integrates with your authentication solution to craft a personalized user notification platform.

A ruby library for working with the Open Archive Initiative Protocol for Metadata Harvesting (OAI-PMH)

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

Extends Paperclip with Dropbox storage.

An extension to paper_trail, using this you can fetch actual object who was responsible for this change

Adds the validates_uniqueness_without_deleted validator to ignore deleted fields when validating for uniqueness.

If you like the straight forward and effective nature of Strong Parameters and suspect that CanCan might be overkill for your project then you'll love Petergate's easy to use and read action and content based authorizations.

pg-eyeballs is a ruby gem that gives you detailed information about how the SQL queries created by the active record code you write are executed by the database. It gives you an easy, ruby friendly way to see the output of the Postgres EXPLAIN command and integrates with the popular query analysis tool gocmdpev

Organize ActiveRecord model into a tree structure using PostgreSQL LTree

Amazon Redshift _makeshift_ adapter for ActiveRecord 4.

Adds missing native PostgreSQL data types to ActiveRecord and convenient querying extensions for ActiveRecord and Arel

A lightweight cron scheduler for the Que async job worker

Declaratively filter data via URL params, in any Rack app.

Adds the ability to pull random records from ActiveRecord

Record Cache for Rails 3

Rmre creates ActiveRecord models for legacy database with all constraints found.