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

MojoAuth is a set of standard approaches to cross-app authentication based on HMAC.

Ruby SDK for MailSafePro Email Validation API. Robust and secure email validation and verification with batch processing, breach detection, and JWT authentication. GDPR compliant.

A Ruby gem for OmniAuth OAuth2 strategy for Mixin authentication

RubyApiPackCloudways is a Ruby gem for interacting with the Cloudways API. It provides easy access to providers, server sizes, apps, and packages, with built-in OAuth authentication for secure API requests.

Generates Rails code implementing a model security and authentication system for your Rails app.

A super simple session-based authentication gem, for when you need to add basic admin capability to a single-user Rails app.

It's a combination of devise and CanCan gem and flexible to identify your modules

Merb Slice adds quick DB'less OpenID authentication to your app

A mixin for Mongoid document models allowing for publishing them after authentication

A REST client for the UK Companies House API, including authentication

A Gem for simplifying OpenId Authentication

LondonCab Authentication Client

Loginza - an interactive JavaScript widget provides visitors to your sites, a wide range of options for authentication through the accounts of common WEB-portals and services

Locomotive plugin for adding basic authentication to pages of a site

Simple authentication gem to ask user for username/password and save to a file if desired

Client for Ruby language to authentication/autorization LetMeIn API

This is the unofficial API rubygem to secure-pass.net online secure authentication and authorization platform.

Library utilizing IDCRL for Microsoft Windows Live ID authentication.

Provides an out of the box implementation for self authentication