ActsAsMoonable gem provides extended methods for rails.

The active record's adapter to the database created by Movable Type

Multipart forms using custom routes

Simplify the definition and storage of "network" relationships, especially useful for social networks.

Allows to send a models content as a batch e-mail to a list

ActsAsNode

acts_as_normalized lets you fetch records from the database with far fewer return trips than an :includes.

Add notifications for ActiveRecord objects

acts_as_notifier is an add-on for ActiveRecord models used to notify users of new and updated records via ActionMailer emails. The notifications can be make conditional and recipient lists can be specified at runtime using a proc or method name. acts_as_notifier can be configured to send emails via DelayedJob.

This is a simple acts_as gem providing the active record models with ordinal numbers. The ordinals numbering is per query, but should work nicely with will paginate showing correct ordinal numbers on paginated results.

DRYing Our Cities projects by wrapping common behaviours

simple gem which include globalize and frienly id

Combines `acts-as-dag` and `rails3_acts_as_dag` to order model instances in a polymorphic directed acyclic graph and to be able to retrieve connections deleted in the past.

Manages permalink columns in active record models. Strips special characters and spaces, creates before validation, assures uniqueness. That kind of thing.

Description of ActsAsPluggable.

Library for the positioning of objects in ActiveRecord.

This 'acts_as' extension provides the capability for having previous next methods for object. Previous & next are based on a specified column (default is id).

A specified database column acts as a price and creates on the fly methods like 'price' and 'price_in_cents'. For more information visit: http://github.com/jeroeningen/acts_as_price

Allows methods and attributes of priceability also employing money rails

This gem will give you only two scopes and a method for handling published/unpublished stuff. Nothing remarkable bur saved me a lot of typing when I wrote it for a project with an huge number of publishable models. Suggestions are more than welcome.