Adds before_validation callback, which applies necessary function to attributes. There are some derivatives: squish_before_validation_for, downcase_before_validation_for, upcase_before_validation_for.

Automatically sends notifications via AMQP when a model has been changed.

Cookbook allows you to associate instructions with components in a cross referenced way. Good for cooking recipes or an instruction manual for DIY projects.

A simple way to add cookie disclaimer.

Display a visual warning on your site to let visitors know that you use Cookes. Primarily intended for use with the UK Cookie Law

Rails asset pipeline bundling of the Cookie Consent JavaScript plugin.

cookieless_sessions implements a fallback mechanism for keeping Session-IDs (via GET-Parameter) on clients that doesn't support or allow cookies.

Provides a set of performance tools for our Rails apps

Extract cookies from Firefox, Chrome or Chromium sqlite databases into a wget-compatible cookies.txt file.

CopperEgg Application Performance Monitoring

Copyable makes it easy to copy ActiveRecord models.

You can copy data from rails staging environment to production. You can even copy 'Papercliped' model with its attachments.

Flexible record based associations in ActiveFedora models.

CoreMerchant provides essential functionality for handling customers, products, and subscriptions in e-commerce and SaaS applications. Does not include payment integrations.

Core purpose is to allow you to re use the models and there relationships and concerns with various other apps.

Core extensions with lots of handy methods

Dashboard composed of social network posts.

Cornerstone provides customer care capabilities to an existing application by adding things like discussions and a knowledge base.

Text correction using words and phrases dictionaries.

Correole is a webservice that subscribes and unsubscribes readers from a newsletter.