Authorization control

Omniauth authorization for Delivery.com API

Simple Activity Based Authorization

Simple Security for Padrino API for clients APIS and role authorization

Super simple role based authorization

Rack middleware for simple question and answer authorization.

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

Authorization system that utilizes an extremely flexible hierarchy

Mid-weigth authorization gem

A thread-safe minimal authorization helper

Simple module that accepts token and return Authorization for Google

Simple authorization solution

Bouncer brings simple authorization to Sinatra.

ryanb's nifty-generators + i18n, blueprint, formtastic, declarative_authorization and cancan.

Simple authorization for rails

Even simpler authorization gem

Ruby Authorization Gem using Role Based Access Control

Social and password authorization solution

Authentication / Authorization library for Watermark apps

A lightweight authorization library, just like cancan