Oh, I was hoping for some go (aka baduk or weiqi) playing program written in go. These are a bit tricky to google ;)
All that said you can of course write your own bots, but Copmputer Go isn't as easy as one might think. In fact it's still considered a much harder problem than Computer Chess.
> [14:54:36] Topic is Go, the game (not the silly language) ! (the language see #go-nuts