Playray
Keywords: Online Go
Playray is a Java-based server that debuted Go in November 2004. It has a wide selection of other games, including Pool and Mini Golf. It is very much like a live version of IYT.
Attendance is very low. A check on 2/3/2006 shows zero people playing Go. A game can only be started by challenge.
Main page: http://www.playray.com