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

A simple engine to add addressable features to a domain object.

Provides aliases and lookup methods for ActiveRecord models.

Rails injectable Relationships (e.g. friendships) backed by Redis

Adds auditing capabilities to ActiveRecord associations, in a similar fashion to acts_as_audited.

Project started mainly for Extract Transform Load (ETL) operations

Treat time-y columns like booleans.

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.

TBD

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.