Sudoku-lh

Sudoku-lh is a program to create and solve the famous puzzle.

It offers:

Create sudoku tables - according to the number of numbers in the input or directly according to the template
Solving sudoku tables - even sudoku with a larger number of solutions (which cannot be solved by logical deductions alone)
Solution help - a number of functions to make solving sudoku tables easier (display of possible numbers in a cell, help in solving, highlighting wrong numbers and more)
Printing sudoku grids - a powerful printing system, allowing you to print multiple tables on one sheet.
Stopwatch - automatic timer for solving sudoku
... and much more

The program is distributed as freeware, so you can use it without restrictions for private and commercial purposes.