ActiveRecord model w/ a start_date and an end_date == ActsAsSpan

Make ActiveRecord Attributes to act as status

Given a list of datetime _at attributes allow an activerecord object to query status, change status and hold multiple states, these states can be used to build state machines or other constructs.

Plugin to remove spaces on fields

Easy way to define AR attributes that should be stripped before save

ActiveRecord Extension to strip whitespace from attributes before saving values

create a url-friendly stub based on an activerecord column for your models

ActsAsTable is a Ruby on Rails plugin for working with tabular data.

Padrino version of the popular Rails tagging plugin. With ActsAsTaggableOnPadrino, you could tag a single model on several contexts, such as skills, interests, and awards. It also provides other advanced functionality.

Adds an acts_as style method to your models called acts_as_taggable

Toggleable attributes for your ActiveRecord models.

Make ActiveRecord models easily searchable via tokens.

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.