H. G. Muller wrote on Mon, Oct 6, 2008 04:11 PM UTC:
Fergus Duniho:
| Very Good. Zillions of Games and Game Courier both provide software
| support for numerous variants. ChessV supports several games. Shogi,
| Chinese Chess, and selected other variants have dedicated programs to
| play them.
You forget to mention WinBoard and Fairy-Max!