acts_as_kiaiを指定したモデルのtextフィールドに対して、保存時に文字列が置換され、気合が入るようになります。

Hierarchical ActiveRecord models. Inspired by acts_as_tree. Trees are shady.

This acts_as extension implements a system label and a friendly label on a class and centralizes the logic for performing validations and accessing items by system label.

Acts as Likeable

This acts_as extension does everything acts_as_list does, but it also works in single table inheritance designs and accepts less brain-damaged scope syntax.

Uses the closure tree pattern with a scope field to maintain separate hierarchies

Meta tags from polymorphic model.

This gem allows to add additional database-stored fields to your models

DRYing Minhas Cidades projects by wrapping common behaviours

Simple status management for Active Record models

Monitor model via private methods warn_*? and error_*?

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 s...