This this plugin for the leap platform provides user signup and login. It uses Secure Remote Password for the authentication.

add authentication to your website - in 1 minute or less.

this gem provides connectivity to the Whiplash API for authentication and REST requests.

Uploads lolcommits to a remote server, with optional key or HTTP based authentication.

Basic authentication plugin for Lokka.

Uploads lolcommits to a remote server, with optional key or HTTP based authentication.

authentication mechanism based on SSH keys

The goal of this gem is to provide token-based authentication for Rails (or Rails-like) web applications.

A gem providing HMAC based authentication for HTTP

A REST client for the UK Companies House API, including authentication

A mixin for Mongoid document models allowing for publishing them after authentication

Merb Slice adds quick DB'less OpenID authentication to your app

A super simple session-based authentication gem, for when you need to add basic admin capability to a single-user Rails app.

Mongoid is an ODM (Object Document Mapper) Framework for MongoDB, written in Ruby. This version supports authentication to MongoDB with username and password

Mori is a lightweight module based authentication platform. Mori uses Warden for session management, and is intended to be easy to overwrite, and configurable.

Authentication like merb, but for rails

A collection of (more) useful Rails 3 generator scripts for scaffolding, layout files, authentication, and more.

Provides configurable, extensible authentication and authorization for Nitro.

mais-access provides a simple yet secure HTTP(S) authentication barrier for applications developed within the MAIS system. After initial connection, sessions for authenticated clients are validated by JSON Web Tokens for reduced overhead and improved security.

Send requests to OAuth 2 provider with MAC authentication