A Ruby library for verifying and serving OpenID identities. Features: * Easy to use API for verifying OpenID identites - OpenID::Consumer * Support for serving OpenID identites - OpenID::Server * Does not depend on underlying web framework * Supports multiple storage mechanisms (Filesystem, ActiveRecord, Memory) * Example code to help you get started, including: * Ruby on Rails based consumer and server * OpenIDLoginGenerator for quickly getting creating a rails app that uses OpenID for authentication * ActiveRecordOpenIDStore plugin * Comprehensive test suite * Supports both OpenID 1 and OpenID 2 transparently