Automatically calculate checksums and signatures from the values of your ActiveRecord or POROs classes' attributes/methods

Allows you to include and organize configuration options for each record in a model without the need of complex joins to settings tables or constantly adding random boolean and string columns

Simple wrapper for adding content via a polymorphic join for any active record. Version 0.0.4.

ActiveRecord counter_cache has been reborn, with ability to specify conditions.

Uses a vertical schema to add custom fields.

Adds ability to put dynamic fields into active record models

The email equivalent of has_secure_password for ActiveRecord.

Embedded data objects for ActiveRecord models

Encrypted attributes for Rails models.

Based on acts_as_list, but allows nil elements to be not a part of the featuerd list.

This gem is based on homonym plugin from fnando https://github.com/fnando/has_friends

Dead simple Gravatar URL generator

Make it easy to use handles (callsigns/monikers/usernames) in URLs, even if they might be blank. Provides sensible validations and a find_by_id_or_handle method.

Use an ActiveRecord Hash column as backend for dynamic attributes. Dynamic attributes will act like table columns. Just include the HashAttributes module in your ActiveRecord::Base class.

Provides `hashed` method to ActiveRecord dataset, that return hash where keys is value of some attribute of object (default – primary key of used table).

Hash attributes using SHA512 (or your custom hash strategy). Works with and without ActiveRecord.

HashidsUri turns your sequentially generated id in the URL into a Hashid see **hashids.org**.

Tree behavior for ActiveRecord models and Mongoid documents.

Un jeu de Hashiwokakero

Pivot hash.