A ruby implementation of the Policy Machine authorization formalism.

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

Tools for handling per-action and per-app Role authorization

Object oriented authorization for Rails applications

Rails gem for maintainable authorization based on readable authorization rules.

Client library for interacting with the CloudFoundry User Account and Authorization (UAA) server. The UAA is an OAuth2 Authorization Server so it can be used by webapps and command line apps to obtain access tokens to act on behalf of users. The tokens can then be used to access protected resources in a Resource Server. This library is for use by UAA client applications or resource servers.

Simple authorization solution for Rails. All permissions are stored in a single location.

Client command line tools for interacting with the CloudFoundry User Account and Authorization (UAA) server. The UAA is an OAuth2 Authorization Server so it can be used by webapps and command line apps to obtain access tokens to act on behalf of users. The tokens can then be used to access protected resources in a Resource Server. This library can be used by clients (as a convenient wrapper for mainstream oauth gems) or by resource servers.

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.

Implements simple authorization for accessing Google APIs, and provides support for Application Default Credentials.

Very simple Roles library without any authorization enforcement supporting scope on resource objects (instance or class). Supports ActiveRecord and Mongoid ORMs.

Consent permission based authorization

Authorization gem for Ruby on Rails with Management Panel

Rails authorization plugin

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

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

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

Checkpoint provides a model and infrastructure for policy-based authorization, especially in Rails applications.

Role based authorization gem

Moat is an small authorization library built for Ruby (primarily Rails) web applications