Automatically generates retina versions of your uploaded images

Extension for fixing processing images with Carrierwave on reupload when file extension changes

CarrierWave extension to validate files uploaded using carrierwave.

Facebook view helpers and signed request handling.

Shopping cart with a multi-step checkout, easily mounted into Rails application.

Cartilage for Backbone.js

A great tool that allows us to create beautiful geospatial projects for you in less time and less money

A CAS server Rails engine

casclient

Description of Cas.

Ruby on Rails SDK/client library for Cased

Case sensitive for attributes

Associate different cached content with a tag, then expire by tag instead of key

Cashier gem plugin for invalidating cotendo full page cache

CASino is a simple CAS (Central Authentication Service) server.

Processing payment services

Rails application support for Apache Cassandra using the the official `cassandra-driver`. Provides cluster configration, versioned migrations, efficient session management, and a class-based query DSL. Easy to use with lightweight, component-style interfaces.

Rails plugin for custom CAS(Cassiopeia) server/client implementation

An engine that provides a CAS server to the application it's included within.

Casts non-persistent model fields to their specified types, just like ActiveRecord does.