Treat time-y columns like booleans.

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

Change an ActiveRecord string column into a byte field.

Allows any model to be categorized.

Make user chattable!

Uses Citero to translate a model from one format to another.

LinkedIn Open Source type ahead tool's REST API as a ruby gem. Now with Reddis support.

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).

Using acts as default you can set a default row in your activerecord collection, also for has_many relationships

This 'acts_as' extension provides the capability for having a default object. The class that has this specified needs to have a default column defined as an integer, string or boolean on the mapped database table

This gem sets the digested value before validation and validates uniqueness of the digested value.

Another paranoid gem

Easy way to define AR attributes that should be stored in lowercase

adds getter and setters for an existing attribute to covnert between seconds, minutes, hours, and days

Editions for ActiveRecord models

A categorizing plugin for Rails Applications

Gem designed to allow easy addition of eLibri based product to your application. Currently only tested under REE.

Active Record extender to make a database column enumerable and queryable

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