Rails gem to allow models to save auto calculated fields

has_changelogs tracks changes on a model and it's associations for applications that need to have change history. This is not about versioning your model, and the version is however, 0.1.0, so use at your own perril. The changelogs contain a JSON representation of the changes.

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

Uses a vertical schema to add custom fields.

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.