Acts as Constant

acts_as_graph is a Rails plugin that facilitates a Graph like interface to ActiveRecord.

Acts as secure adds automatic encryption and decryption to an ActiveRecord model

acts_as_activitable is a gem that creates a database schema, methods and relationships for creating Facebook-like activity stream functionality

acts_as_ferret - Ferret based full text search for any ActiveRecord model

acts_as_reportable provides ActiveRecord support for Ruby Reports

Acts As Caesar is a voting system - allowing up/down voting of objects.

acts_as_crazy makes your objects do crazy things at random moments

acts_as_statused was developed by: markbates

acts_as_readonlyable allows to add read-only slaves DBs to models

Acts as Likeable

acts_as_flexigrid is ActiveRecord plugin for Flexigrid

acts_as_social is a gem that provides basic social features, like view and controller helpers and models

Acts as page for mongoid models

Acts as audited

Acts as published beahviour for active record models.

acts_as_ecv is a simple ruby gem that helps add ecv (Extended Content Verification) to Rails webapp

acts_as_searchable adds fulltext searching capabilities based on Hyper Estraier to an ActiveRecord module.

acts_as_amazing is just a little gem I'm playing with to learn about creating gems

Acts as priceable