SudoKoach
SudoKoach makes solving Sudoku puzzles more fun. It does the tedious work for you, so you can concentrate directly on finding the solution. SudoKoach generates puzzles with six different levels of difficulty, so you don't have to wait for tomorrow's newspaper to start solving. ... SudoKoach also provides tools to help you solve puzzles. ... If you get stuck, SudoKoach can give you three levels of hints. ... Why not download SudoKoach and try it out? ... With SudoKoach, you don't need to waste your effort on this step.
ftp://KMRConsulting.com/sudokoach/sudokoach.zip - 1Mb - Download - Screenshot