Would you recoomend this project?
XSudoky is a program written in C to play and to learn the methodologies of logical resolution of sudoku noticing and highlighting them.XSudoky required Linux and X11 (with Windows you should use Cygwin) and it's translated in Italian, French, English.
You can download file releases of xSudoky project from List of release files
System RequirementsOperating System: Linux
List of release files