See http://www.openannotation.org/spec/core/

A collection of useful anti-patterns.

Prevent database records from being destroyed.

Provide export / import to ActiveRecord

ActiveAsari is a Ruby interface for AWS CloudSearch. It uses Asari as a foundation and make it work more like Active Record.

Provides async methods ruby objects for queuing background jobs. Currently supports Resque. Bonus: callback hooks for ActiveRecord objects

An extension of the active_attr gem, adding Arrays and Hashes as valid attribute types. Create plain old ruby models without reinventing the wheel.

Library for auditing record changes.

Audit support for Active Record

Provides utility classes, helpers and decorators to the AWS Ruby SDK v2

Implementing pathfinding for Rails records

Simple beanstalk backend for Rails's ActiveJob.

Active Blur is an Active Record extension library to enable creating indexes, updating indexes and searching indexes in Blur. The Active Record model objects that are configured to use this gem will automatically create tables in Blur, re-index upon updates in Blur, and allow searching (fielded a...

ActiveRecord integration with the MusicBrainz database

This gem makes it easy to generate breadcrumb trails in a Rails application. The emphasis is on "structural" breadcrumbs, where a breadcrumb trail reflects the logical structure of a web site (as opposed to a "dynamic" trail, which reflects where the user has been - for which I humbbly suggest th...

Makes it simpler to integrate CableReady and StimulusReflex with ActiveRecord callbacks

Suggests validations and associations for ActiveRecord models

Active builder is a simple builder library to help make your params more clean

Module for caching results of method invocations.

A basic API wrapper for active campaign