http://www.pixelscapes.com/hexcoda/

Enter the world of the HeX coda, a campaign of single player story based Neverwinter Nights™ modules by Stefan Gagne, creator of Penultima, Penultima ReRolled, Elegia Eternum and Excrucio Eternum.
(took that right off the opening website.)
Another reason why to tell your friends to purchase a copy of NWN 1 (while they still allow it to be sold!)

While they may quit supporting it, they probably won't pull it off the shelves. If they do, they are cutting their throats more effectively than any body else could do.