Sudoku Assistenten | Price: Free | Size: 1.2 Mb

Sudoku Assistenten is a free program that can teach both beginners and improved sudokusolvers more about sudoku through its improved hint and analytical features. It will let you both type in or copy/paste any sudoku into the program and then go on to solve it or accurately estimate its difficulty. It is also the only program that will let you produce your own sudoku from scratch and then go on to share them on the programs on-line forum.