Translation Center is a multi lingual web engine for Rails 3 apps. It builds a translation center community with translators and admins from your system users.

Bullet Train

An integrated Authentication, Authorization and Roles solution for your Rails 3 app with support for multiple ORMs

Assertion grant extension for Doorkeeper.

Admin interface builder

Timeseries data monitoring framework running as a rails engine

Easy to use general purpose settings backend for activeadmin

Guest user implementation for devise

It adds support for sending activation tokens via SMS and accepting them.

The devise-api gem is a convenient way to add authentication to your Ruby on Rails application using the devise gem. It provides support for access tokens and refresh tokens, which allow you to authenticate API requests and keep the user's session active for a longer period of time on the client ...

Devise << Facebook Connect.

This ensures that devise will update a last_seen flag on the model whenever you check if a user is authed.

OpenID authentication module for Devise using Rack::OpenID

A Devise extension to use passkeys instead of passwords for authentication, using warden-webauthn

Authenticate your users with RPX in your Rails application using Devise

TrustyCms is a simple and powerful publishing system designed for small teams. It is built with Rails and is similar to Textpattern or MovableType, but is a general purpose content management system--not merely a blogging engine.

Devise based user authentication for AlchemyCMS.

Comfortable Mexican Sofa (CMS) - User and role management extension

ActiveGraph integration with the Devise authentication framework

Support authentication via OAuth2 tokens dispensed from the Doorkeeper authorization flow