Top-7 Online Go Servers
Online Go Server (OGS)
GoQuest.
Kiseido Go Server (KGS)
Fox Weiqi (Fox)
Pandanet (IGS)
Tygem.
WBaduk.
Most Popular Go Servers
Fox Weiqi (a.k.a. Yehu Weiqi rVh) ( http://foxwq)
IGS - The Internet Go server ( http://pandanet-igs/) 000000
KGS - KGS Go Server ( http://gokgs/)
OGS - Online Go Server ( ...
TygemBaduk - Tygem English language Go server ( ...
WBaduk ( ...
GoQuest ( ...
BadukPop.