411 REFERENCE · Wikibooks
Computer Go/Open source code
Reference material by Wikibooks contributors. This retains its source identity and is not 411 news reporting.
A considerable wealth of Open Source Go-related programs can be found on:
http://sourceforge.net/
Searching the "Board Games" category for "Go" produces these results:
http://sourceforge.net/search/?form_cat=287&words=Go