Acts As Active is a tracker and activity generator for any ActiveRecord model, making it easy to generate statistics, streaks, and data visualization.

Provides aliases and lookup methods for ActiveRecord models.

Generic approval queues for record creation and updates

There has never been a better time to move database records to an archive table.

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

ActiveRecord extension that logs all changes to your models in an audits table additionally allowing you to specify which human model to use (if not 'User')

ActiveRecord extension that logs all changes to your models in an audits table description

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.

Automatically set created_by and updated_by fields

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

Change an ActiveRecord string column into a byte field.

we implemented some automatic caching to first,last and all methods

Make user chattable!

Plugin/gem that provides comment functionality

Adds ActiveRecord model comparison functionality.

Storage of configuration values in database

Extends default CSV behavior to ActiveRecord models

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).