Padrino can can use all CanCan goodies

Simple authorization solution for Rails which is decoupled from user roles. All permissions are stored in a single location.

FeatureBox is a feature request service written using Ruby on Rails framework. It is an open source analog of VoteBox - part of the DropBox. It is designed to be flexible and customizable and intended to be easily integrated into your website. It uses popular gems like CanCan and Devise.

Provides assistance for setting up an auth solution using devise and cancan auth frameworks

Add notifications to cancancan authorization gem

Simple authorization solution for Rails which is decoupled from user roles. All permissions are stored in a single location.