7 Yadis Services
(A complete list can be found at Yadis Services Listing).
Several currently operating identity services are collaborating to develop the Yadis Specification:
There is now an identity service that works with any of OpenID, LID and i-name Yadis IDs.
Yadis is applicable to any URL-based identity system, such as:
Yadis is by no means tied to OpenID, LID, i-name or XRI. For more information, please take a look at the individual project sites and at the Yadis FAQ.