OpenID OpenID A decentralized identity system Project Home Page: Related Specifications OpenID & OAuth combined Field Usage Compliant Services These are services that support OpenID authentication:WikiTravel Zoomr Photo & Geo-tagging Service Live Journal Wiki Service I Make Mistakes Social Networking Service Compliant Services (Server) These are services that provide you with an Open ID that can be used at sites supporting OpenID authentication. My OpenLink Service Claim ID Verisign's Personal Identity Provider MyOpenID Service My ID Service Get OpenID Service Portals Life Wiki OpenID Enabled Wiki Yardis - Discovery Protocol for OpenID CategoryGlossary