Treat array fields simply.

ActsAsAsync is an ActiveRecord extension that provides your models with easy-to-use Resque helpers.

acts_as_belongable is a Rubygem that provides an associations engine for Rails apps. It's primary use case is to simplify `has_many through: ...` relations.

A ruby gem for active record which simplify the copy of very complex tree data.

Make user chattable!

This acts_as extension modifies ActiveRecord classes so they can carry a reference to the instance defined as current for the given request. The library is particularly useful for providing the authenticated user object to models.

adds daterange to AR models

Rails 3 gem to treat an attribute as a decimal (getting and setting floating-point values) but storing it as an integer in the database (useful for prices and other precision-needed attributes like money).

ActiveRecord plugin to validate values of column in specified word

With ActsAsExpirable, you can mark ActiveRecord records as expired and programmatically find expired record.

Filter attributes and stuff.

acts_as_flexigrid is ActiveRecord plugin for Flexigrid

Rails plugin to handle first_name, middle_names and last_name combinations.

A helper to wrap an ActiveRecord attribute with ActiveSupport::StringInquirer.

Easily define abstract methods and callbacks for superclasses and modules

Easily define abstract methods and callbacks for superclasses and modules

Rendering business objects in ISDOC format

ActsAsLearnable is a Ruby gem for ActiveRecord models. It provides a simple way to create flashcards in your app. It automatically schedules flashcards for review depending on recall quality (1 to 5). You can easily create a Spaced Repetition System (SRS) using this gem.

An ActiveRecord plugin that assists in acts_as_living stage progressions.

Barebones acts_as_list