IgGameCenter
From HexWiki
igGameCenter is a special on-line game gadget that allows playing abstract board games with other opponents in real-time directly from the site or from the Google Personalized Homepage.
There are 76 games available at igGameCenter at the moment and the number is growing all the time. Among the games there are 14 different connection games that can be played on igGameCenter in real-time:
Hex
Hex can be played with various size and using the swap rule.
See also
The creator of igg: Arty.