Adds core features so other engines can hook into the framework.

Kuroko2 is a web-based job scheduler/workflow manager created at Cookpad Inc.

Assertion grant extension for Doorkeeper.

Adds social network login services (OAuth) to Solidus

Maestrano Enterprise - essentials API

A wiki engine in Rails 5.

Scaffolding for building services

Includes functionality for site-specific registration and third-party authentication strategies such as social networks (Facebook, Twitter and Linkedin) and freemail providers (Yahoo, Windows Live and Gmail) with support for external database authentication.

#Crowdsourcing management system for #RubyOnRails: http://bit.ly/voluntary-0-7-1

Devise + Omniauth Authentication encapsulated in an Engine. Uses Devise. Parts taken from perens-instant-user and sso-devise-omniauth-provider

URL Shortener

You can use this gem when using authentication by facebook and digits.

Adds login using google button to login screen

Frame will setup various Ruby on Rails projects with an instantly usable application. The user can choose if they want authentication with devise, omniauth, and uses active_admin.

An easy gem to include a gallery to your site

Its Auth is an sso authen gem for Ruby on Rails.

Many companies have internal apps to support their day to day operations. This library is a drop-in Google OAuth authentication and session management library so you don't have to install Devise.

Generate Rails workflow engine from mind map: Freemind

Collection of utility, configuration, etc., for admin areas in a Rails application. Provides a boostrap environment, standard layout, authentication, and more.

Base Controllers, Helpers and Views for Kirgudu.NET