Coca is a chainable, devise-based scheme for delegation of authentication. It works through a standard JSON API so the packet that you pass down on auth is completely configurable. See coca-rbac for a similarly transparent RBAC implementation.

Provides a simple interface for using Okta authentication in command line applications

BitAuth is a way to do secure, passwordless authentication proposed by Bitpay using the same elliptic-curve cryptography as Bitcoin

A ruby wrapper for version 3 of the bit.ly API Supports Login/ApiKey & OAuth authentication

The Aladin ruby library for identity and authentication

Adds a kerberos ticket authentication to test-kitchen transport

SHA1 Hashkey based authentication for simple API engine

Basic authentication library for Rack applications.

omniauth-azure-ad uses 'Peerialism authentication HUB' web site that manages token exchanges with the Azure ACS, encryption etc.

Secure and simple token based authentication for Rails 4

An authentication solution for the toot gem

A gem to run after creating a new rails app to setup basic authentication via oauth with the least effort possible on the part of the user.

Synchronous interface to the toopher.com authentication api.

This is a simple gem to allow authentication against a RADIUS server.

Vaporizer is a lightweight ruby wrapper which enable to consume easily the new Leafly API which needs authentication

This Ruby library provides a convenient interface for reading and writing files and spreadsheets stored in Google Drive and Google Docs. It supports authentication, worksheet manipulation, and now includes background color styling and Cell object access.

A network client module for the WiKID Strong Authentication system

Monban - The authentication plugin for web api based on jwt

Flexible authentication solution for Rails

Ya is a simple authentication system which uses a YAML flat file to store directory info.