Provide default models for ActiveRecord associations

Set default value to Rails application's ActiveRecord model without saved.

Used to find nearby records via latitude/longitude

Adds ability to put dynamic fields into active record models

Encrypted attributes for Rails models.

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

Easily add filepicker images to your models

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

Dead simple Gravatar URL generator

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.

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

Obfuscate id on your record.

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.

A simple Hash to JSON serializer with some helpers to improve JSON model columns.

HashStore store RubyHash into Redis as JSON. Automatically add redis commands(GET,SET,DEL,EXITS) methods to your class. HashStore was designed to work with ActiveRecord, but also work with Non-ActiveRecord Class.

The hashy_validator gem provides the HashyArrayValidator, a custom Active Model validator designed to validate arrays of hashes within ActiveRecord model attributes. Utilizing the HashValidator gem, on top of hash_validator gem. The gem includes a comprehensive test suite using the minitest framework.

Gem to assist with the display of imgix images