What is liquidID? liquidID is an extension to OpenID. OpenID allows you to logon to sites such as WikiTravel, Springnote and SourceForge. So firstly, what's OpenID? OpenID is one of the most exciting initiatives to hit the Internet in recent years. An OpenID is an identifier (such as yourname.liquidid.net) that you obtain from an OpenID provider. You simply type this identifier into the login