Note: links below are offline, but via archive.org some stuff is still available:



https://web.archive.org/web/20120422105122/http://mgame99.mg.funpic.de/havannah.php (Overview page)

https://web.archive.org/web/*/http://mgame99.mg.funpic.de:80/dl_hgui.php

https://web.archive.org/web/*/http://mgame99.mg.funpic.de:80/dl1_hexgui.php

https://web.archive.org/web/*/http://mgame99.mg.funpic.de/dl1_twixtgui.php





These are modifications of GoGui for other games:





HavannahGui: (NEW)

Download

Thread in lg havannah forum

Thread in lg havannah forum (sgf standard)

HexGui + an adaption of Six as gtp engine:

Download

Thread in lg hex forum

TwixtGui (experimental):

Download

Thread in lg twixt forum

Havannah computer player havai1 (Jan-May 2009), a engine to use with “HavannahGui” .. download was available ...



Size 4 and 5: quite strong (expert strength/hard to beat!).

Size 6: Beginner strength

havannah.vying.org - experimental Havannah live playing server ... it is offline ..