Provides single sign-on authentication for web applications using the CAS protocol.

Authentication solution for Rails based on JWT

### Features ### * control sms code pattern * configure max login attempts * per user level control if he really need two factor authentication * your own sms logic

Simple (but safe) token authentication for Rails apps or API with Devise.

Provides common authentication needs such as signing in/out, activating by email and resetting password.

Barebones two-factor authentication with Devise

An authentication library compatible with all Rack-based frameworks

Client library for the Central Authentication Service (CAS) protocol.

This gem provides a Ruby wrapper around the Google Places API for use in your own project. Please note that this gem does not provide OAuth authentication.

Ruby wrapper for the BitBucket API supporting OAuth and Basic Authentication

SAML Authentication for devise

JWT authentication for devise with configurable token revocation strategies

Provides authentication and authorization services for use with Solidus by using Devise and CanCan.

CAS authentication module for Devise

Traditional username/password based authentication system for OmniAuth

Rodauth is Ruby's most advanced authentication framework, designed to work in all rack applications. It's built using Roda and Sequel, but it can be used as middleware in front of web applications that use other web frameworks and database libraries. Rodauth aims to provide strong security for ...

Simple authentication plugin for sinatra.

Add authentication to your app without all the ickyness of passwords.

Adds methods to set and authenticate against one time passwords 2FA(Two factor Authentication). Inspired in AM::SecurePassword"

Authy plugin to add two factor authentication to Devise. This gem is deprecated, please see the README for details.