ruby-yadis contains full yadis service discovery functionality.
Point releases will be issued as the Yadis 1.0 specification
gets rounded out. Features include:
* Easy to use interface for fetching Yadis service information
* XRDS parser
* HTTPS and server certificate verification support
* Test suite
* BSD license
WWW: http://www.openidenabled.com/yadis/libraries/ruby/
