GNU Go - GNU Project - Free Software Foundation (FSF)

GNU Go is a free program that plays the game of Go. GNU Go has played thousands of games on the NNGS Go server. GNU Go is now also playing regularly on the Legend Go Server in Taiwan, on the WING server in Japan, and many volunteers run GNU Go clients on KGS. GNU Go has established itself as the leading non-commercial go program in the recent tournaments that it has taken part in. GNU Go 3.8 GNU G

[higedice]

Not #GoLang

[yendor]

GNUな碁

[xoinu]

囲碁エンジン。関係ないけど，Webページのデザイン（ロゴ）がシンプルでカッコいい

[kimarx]

CUI でも遊べる囲碁(ASCII MODE?)。なかなかおもしろい。