capcoauth-gem is a library to integrate Rails applications with Capcoauth authentication service

CAS Authentication via Rack Middleware

EmpireAvenue.com authentication handler for OmniAuth

Library for create basic SSO Server based on OAUTH authentication for simplify deployment.

Simple authorization system for Rails applications. Allows you to develop applications with a mixed role based authorization and a context based authorization model. Does not supply authentication.

A portable, pluggable authentication and authorization service.

A kind of Rack-Rscript web server which facilitates static files, cookie based authentication, and private pages.

simple-login creates a basic and simple login system for Rails 3 apps. It is based on Railscasts Authentication from Scratch videos. Usage: create your rails app, then add this gem to your Gemfile. Finally, just type 'rails g simple_login'. All these routes are available: signup_path, login_path,...

Rack compatible user authentication microservice. Can be run standalone or mounted into another rack app.

The DceLti engine simplifies integrating LTI authentication for Rails apps via the IMS::LTI gem.

A DataMapper plugin for adding authentication and encrypted passwords to your DataMapper models.

Kerberos authentication for AuthLogic

Client library for the Central Authentication Service (CAS) protocol. (this version specially prepared for echologic)

Add the GSS-SPNEGO authentication mechanism in net-ldap gem

add authentication to your application - in 1 minute or less

The Authentication Gem for Progic ID

User Authentication Gem

API wrapper for use in conjunction with an Elvanto account. This wrapper can be used by developers to develop programs for their own churches using an API Key, or to design integrations to share to other churches using OAuth authentication.

EmailSender is an easy to use library to send email based on Net::SMTP. It supports the well-known encryption and authentication methods, and you can use it very easily with Gmail account.

Very simple file system driver for EM-FTPD server; including common FTP commands, authentication and before and after operation hooks.