This is a lightweight, flexible ruby gem to interact with the desk.com APIv2. It allows to create, read and delete resources available through the API endpoints. It can be used either with OAuth or HTTP Basic Authentication.

lets the User model in most authentication frameworks know who is the current user

Windows Azure Active Directory authentication client library

JWT authentication solution for Rails APIs

Add authentication to applications and secure services with Keycloak

An integrated Authentication, Authorization and Roles solution for your Rails 3 app with support for multiple ORMs

Integrates with your authentication solution to craft a personalized user notification platform.

An extension of Authlogic to add LDAP authentication.

The devise-api gem is a convenient way to add authentication to your Ruby on Rails application using the devise gem. It provides support for access tokens and refresh tokens, which allow you to authenticate API requests and keep the user's session active for a longer period of time on the client ...

LDAP authentication for humans

Rails API Auth is a Rails Engine that implements the "Resource Owner Password Credentials Grant" OAuth 2.0 flow as well as Facebook authentication for API projects.

OpenID authentication module for Devise using Rack::OpenID

Proof provides an easy-to-use JWT-based authentication system.

basic helpers and authentication methods for using warden with padrino also providing some hooks into Rack::Flash

The ruby-jss gem provides native ruby access to the REST APIs of Jamf Pro, an enterprise/education tool for managing Apple devices, from jamf.com. The Jamf module provides access to both the 'Classic' API and the more modern 'Jamf Pro' API. Jamf Pro objects are implemented as classes and can inte...

OAuth 2 authentication with the Entra ID API.

Delicious HMAC Digest(if) authentication and AES-128-CBC encryption

Provides all the protocol you need in order to do authentication on your rack application. The implementation specifics can be found in http://github.com/cyx/shield-contrib

Ruby wrapper for the Angellist API. The AngelList API provides developers with a RESTful interface to the AngelList data set. Some endpoints are public and require no authentication.

The spark_api gem handles most of the boilerplate for communicating with the Spark API rest services, including authentication and request parsing.