Authentication engine for Ruby on Rails

Simple and modulable authentication gem

Rack middleware that handles user authentication against a cas server

Authentication with BasicAuth.

Use Google Apps as an Authentication Provider

Add AWS Signature 4 style authentication to grape API's.

Signs and validates HTTP requests based on a shared-secret HMAC signature

MediaWiki::Butt provides a fully-featured interface to the MediaWiki API. It includes methods for changing wiki content, authentication, and queries.

An OmniAuth strategy to allow you to authenticate against Pluggable Authentication Modules (PAM).

This extension provides PAM - Pluggable Authentication Modules - integration

An extremely easy way to protect your site by requiring Google logins without having to set up a traditional authentication system

A reusable JWT authentication helper

Firebase Authentication API wrapper for serverside. It support custom token auth. Of course it has id_token verify feature.

An Active-Resource replacement that supports camel-cased APIs and HTTP caching, and avoids race conditions when changing authentication information on the fly.

A minimal dependency library for interacting with a Cerner OAuth 1.0a Access Token Service for invoking Cerner OAuth 1.0a protected services or implementing Cerner OAuth 1.0a authentication.

An Authentication framework for Merb

Basic Rails Framework files and assets for layout and authentication

Sinatra extension for user authentication with browserid.org

Simple, instant HTTP Basic Authentication for applications using Clearance.

Firebase Authentication uses ID Token. This gem verify the token on the server side.