Authentication

Flexible authentication solution for Rails with Warden

Provides Rails 4 has_secure_password mixin for Rails 2. Requires Rails 2.1 or higher.

A generalized Rack framework for multiple-provider authentication.

Doorkeeper is an OAuth 2 provider for Rails and Grape.

An unobtrusive ruby authentication library based on ActiveRecord.

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.

Easily switch current user to speed up development

Provides common authentication needs such as signing in/out, activating by email and resetting password.

simple rails authentication

Simple CAS authentication for Rails, Sinatra or any Rack-based site