Store CarrierWave files in PostgreSQL (supporting multiple versions per uploader).

CarrierWave extension to validate files uploaded using carrierwave.

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

casclient

Description of Cas.

CASinoCore is a CAS server library. It can be used by other projects to build a fully functional CAS server.

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

Dineromail integration with Catarse crowdfunding platform

Iugu Payments Integration with Catarse crowdfunding platform.

Works like a simple tagging system, but instead of tags it has categories, and categories may have an ilimited level of subcategories.

Select form helper using Select2 JS. Should be used with the Categoryz3 gem.

A cms bootstrap for localized client websites.

Simple authorization system for Rails applications. Allows you to develop applications with a mixed role based authorization and a context based authorization model. Does not supply authentication.

License your ActiveRecord models under Creative Commons licenses

Get validation error from database constraint.

Call for Papers Rails Engine used for the organization of MagmaRails

Simple ActiveRecord plugin for handling merges.

A simple, yet flexible solution to tracking changes made to objects in your database.

Admin framework for rails + mongoid web applications.

This gem wraps the data to render chart and then it draws those charts in the web and use the same data to render charts as images, which is often useful when you want to render the chart in pdf or attach it to emails