Mysql2::AwsRdsIam is an extension of mysql2 gem that adds support of IAM authentication when connecting to MySQL in Amazon RDS.

Simple authentication templates ready to be customized.

Simple Rails authentication generator

Authentication via JWT (with encryption)

Client provider library for the authentication token storage service

A library for doing SASL based authentication mechanisms

A free and unlimited API for Google Translate without authentication or API key.

Garage extension to use JWT as authentication strategy.

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.

Multi-token authentication Rails engine.

OmniAuth provider that supports authentication against UOC REST apis.

Rails authentication with email & password. You can customize the behaviour of the remember me token.

A simple Forge authentication client

Truefactor.io can be your only authentication option or you can add it to existing auth schemes such as devise, authlogic etc.

This is a Rack endpoint that provides Flickr authentication. Basically it is a lightweight alternative to the "omniauth-flickr" gem.

A ruby interface to the GitHub Contributions Archive API (https://githubcontributions.io). Get information about GitHub users and events, including all repositories a user has contributed to. No authentication required.

An authentication and service location service.

This library simplifies life when it comes to authentication in a Facebook iFrame application

Includes authentication, tracking, and lots of convenience methods

A Challah plugin to allow authentication and registration with Facebook API.