Tsh
From NASPAWiki
tsh is freely available tournament management software, written by John Chew and downloadable from the . It is used to run the National SCRABBLE Championship, the Canadian National SCRABBLE Championship, the World SCRABBLE Championship, and many regional and local tournaments in North America and around the world. It connects directly to the NASPA ratings system, and can calculate correct new player ratings. tsh runs under OS/X, Linux, DOS and Windows.