ActsAsTranslated is an acts_as for ActiveRecord that allows easy attribute translation.

A gem that adds simple support for organizing ActiveRecord models into parent–children relationships.

A drop in replacement for acts_as_tree with super fast ancestors and subtree access

A gem make a model attribute acts as a type

Add simple versioning to ActiveRecord models.

ActiveRecord plugin for versioning your models. For Rails 3.

Add simple versioning to ActiveRecord models.

The original gem's source on github had updates that were not available in the published gem.

This gem gives functional for update elements has_many relation

Gem makes your ActiveRecord models more SEO friendly. Changes URL to look way better

Presenter pattern for Rails models

Adam is a library for all things EVE

Adaptation is a framework for building "adaptors" for web-applications, so they can interact with other web-applications publishing messages and being subscribed to a message queue.

Extend attribute_alias and make it be adaptive with realtime database schema

Encapsulates the composed of pattern for addresses into any easy to use library. Provides convenience methods for formatting, parsing, etc.

A reusable Address model for your Rails apps

Inspired by the address fields on amazon.com

ActiveRecord plugin for creating constants from a domain table

A view layer helper which takes an object (such as an ActiveRecord instance from your database) and generates an "Add To Google Calendar" URL based on it's attributes.

This gem provides an Adhearsion plugin to handle the ActiveRecord and database integration