Just the which gem with file permissions fixed

A very simple way to manage permissions. Works with any ORM.

Provides class methods and mixin to convert UNIX file permissions between long listing and 4-digit octal formats

This gem allows you to specify permissions at controller action or helper methods levels.

Simple, explicit permissions/authorization

Description of EspPermissions.

Simple authorization library for Ruby on Rails in which permissions are stored in YAML files.

Through the gem you can create the dynamic role and permissions for different types of users to access active admin panel

Simple Rails plugin to assign a list of permissions on a resource.

This plugin adds an authorization layer to your rails app that is totally transparent to your restful controllers and a DSL for declaring permissions on your models.

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