Sudoku Solvers and Cheats

Hmmmmm....I add this section purely for the sake of completeness, as surely the point of a puzzle is the mental challenge. However if you were desperate to know the answer to a particulary fiendish puzzle and couldn't wait for the next day's newspaper you might find them useful.

• SUPA-DOKU
  Free Stepping Solver that Shows Why. It takes Imports and Copy/Paste. It also includes built in puzzles.
• Sudoku Snake
  Used to help you generate, design, and solve sudoku puzzles.
• Sudoku Solutions
  Online Sudoku Solver/Checker. This solver allows you to solve single squares on the Sudoku board or the entire board.
• Foxford Services
  Online solver which gives number of possible solutions for each square.
• A Su Doku solver
  This online solver can be resized to accomodate different Sudoku grid sizes.
• Times Sudoku Helper
  Online helper for puzzles printed in The Times.
• Sudoku Solver
  Downloadable solver program.
• Sadman Software
  Downloadable costing $11.95 for a personal single-user license.
• Scanraid Technologies
  Online Sudoku Solver under constant refinement.
• Sudoku Solver by logic
  Online solver with suggest a move facility.
• DI Management
  Downloadable Excel solver.
• Alexpounds.com
  Online solver - 2 seconds for a fiendish puzzle.
• Sudoku Susser
  Sudoku Susser is a downloadable program which can be used as a work pad and it can also can show hints, solve the problem step-by-step using human deductive reasoning, or brute-force solve it using recursion.