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

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

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

Koala is a lightweight, flexible Ruby SDK for Facebook. It allows read/write access to the social graph via the Graph API and the older REST API, as well as support for realtime updates and OAuth and Facebook Connect authentication. Koala is fully tested and supports Net::HTTP and Typhoeus conn...

A kind of Rack-Rscript web server which facilitates static files, basic authentication, and private pages.

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

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

Use three header fields and a shared secret

A gem providing HMAC based authentication for HTTP

Devise extension for Castle. Secure your authentication stack with real-time monitoring, instantly notifying you and your users on potential account hijacks.

Tools for authentication and authorisation with JWTs and OAuth

A library for authenticating with an RSA SecurID ACE Authentication Server. Supports synchronous authenttication with ACE Server 6.1 and greater. Supports interactive and non-interactive flows.

Stomp messaging server with file/dbm/memory/activerecord based FIFO queues, queue monitoring, and basic authentication. == SYNOPSYS: Handles basic message queue processing

Provides a simple authentication middleware to lock down Rack-based apps

Cloudfuji SSO authentication module for Devise. A slight variant of the excellent work from Nat Budlin on devise_cas_authenticatable.

Fileboost provides drop-in replacement Rails image helpers with automatic optimization through the Fileboost.dev service. Works exclusively with ActiveStorage objects, features HMAC authentication, and comprehensive transformation support.

Provides authentication to PushType CMS using Devise. Requires push_type_admin. PushType is a new generation of content management system for Ruby on Rails.

Brute force Cisco SSL VPN's that don't use 2-factor authentication

FacebookAppToken enables you to retrieve a Facebook authentication token, which is necessary to use Tinder API

Provides authentication and authorization services for use with Solidus by using Devise and CanCan (devise_token_auth revised version)