Drop in password and JWT token authentication for Ruby on Rails

A simple no frills user authentication gem for my Rails projects.

This generators provide you to easily setup your Rails 3 application, create authentication, messages, admin style scaffolding and many more

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

Simple authentication solution for any rails app.

Generates a "ready-to-go" Rails 2.3 application with authentication and other common features

An authentication bootstrapper for your Rails application.

Really simple authentication scaffold generator for Rails

A Rails engine providing OAuth authentication, workspace multi-tenancy, and AI agentic capabilities with LLM chat, tools, and MCP support.

Secure JWT authentication for Ruby on Rails that uses http only cookies.

A comprehensive Ruby library for building Model Context Protocol (MCP) servers in Rails applications, featuring tools, resources, authentication, and real-time capabilities.

NoPassword is a Ruby on Rails gem that allows session authentication with a token or a magic link via an email sent to the user; there is no need for a password.

Authentication engine for Ruby on Rails

Mozilla BrowserID/Persona authentication module that works with Rails 3.1+ and Devise 2.1+

A gem which implements a standard api_key / secret authentication system for your Ruby on Rails RESTful web services.

A thin wrapper around the Rails `flash' object to assist in redirecting the user `back' after authentication.

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.

A simple authentication solution for development in Rails using BCrypt

An authentication and authorization system for Rails

Authentication engine for Ruby on Rails projects.