TagAuth integrates tag-based authentication into Rails applications using Devise.

Ember-auth is an authentication framework for ember.js. It is expected to work out of the box with rails + devise.

An authentication solution for Rails 4

A gem for integrating Firebase Authentication into your Rails application..

Authentication for all Rails Api applications

Authentication middleware for Rails API that uses JWTs

Integrates devise authentication with iOS

Super simple authentication system for Rails, using username, email and password.

Authentication solution for Rails APIs.

Static authentication && authorization in rails.

Bare essentials to quickly implement a custom authentication system on Rails using Warden.

Rocketship provides a collection of gems to enhance your Rails application with authentication, UI components, and more.

Authentication mechanism for Rails apps with devise via OAuth2

Token-based authentication for your Rails API.

Flexible authentication solution for Rails

A minimal authentication module for Rails

Super simple authentication system for Rails, using username, email and password.

Zero configuration authentication starter for Rails.

Authentication solution for Rails 3 based on JWT

Mountable Authentication system for Rails Applications and API.