Provides configurable, extensible authentication and authorization for Nitro.

AuthoRails is a framework for generating authorizations,tables,relations,scaffolds and privileges.

Easy RESTful authentication + authorization.

Role-based authorization system for Rails with a nice DSL for access control lists

A rails gem/plugin that handles authorization

Simple authorization and attribute obfuscation scheme.

declarative_authorization is a Rails plugin for authorization based on readable authorization rules.

Merb plugin that provides a very simple role-based authorization system

Simple authorization for Rails

HTTP Authorization helpers for Sinatra.

A fork of Steffen Bartsch’s declarative_authorization equipped with localization based on Rails default I18n.

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.

Walruz provides an easy to use DSL to do composition of basic authorization policies to create more complex ones, and then register this composed policies on actions performed to the model begin accessed

Generators for adding simple authorization to nifty-autentication

Simple role based authorization for rails

XCAP (RFC 4825) is a protocol on top of HTTP allowing a client (usually built within a SIP user agent) to manipulate the content of XML documents stored in a server. These documents represent per user buddy list, presence authorization policy, media content (i.e. user avatar) and other kind of fe...

Lockdown is an authorization system for RubyOnRails (ver >= 2.1).

Lockdown is an authorization system for RubyOnRails (ver >= 2.1).

Clearance is built to support authentication and authorization via an email/password sign-in mechanism in applications. It provides some core classes commonly used for these features, along with some opinionated defaults - but is intended to be easy to override.

A description of a really simple authorization plugin for Rails.