SudoCue - Home of the Sudoku Addict
- Home of the freeware SudoCue program for Windows. Powerful Sudoku solver, puzzle generator and helper with various tools. Also on this site, a daily extremely difficult sudoku puzzle can be found. Puzzles with different grades can be downloaded. For sudok
- http://www.sudocue.net/

Sudoku Solver in Three Lines - Explained
- Small bit of perl code that will generate a sudoku puzzle solution.
- http://www.ecclestoad.co.uk/blog/2005/06/02/sudoku_solver_in_three_lines_explained.html

Sudogo.com
- Offers puzzles in PDF and mySQL formats for solving offline or building into custom applications. Also offers online puzzles with three difficulty levels and customizable look-and-feel. [Dutch/English]
- http://www.sudogo.com/

Sudoku Companion
- Sudoku puzzle generator for Mac OS X.
- http://www.verek.com/products/sudoku_companion/index.html

Su Doku Master
- Sudoku puzzle generator and solver software for Mac OS X.
- http://www.groethe.org/sudoku/sudoku.html

Super Doku
- Sudoku game available for Motorola V400.
- http://www.clickgamer.com/moreinfo.htm?pid=3117&section=J2ME&set_device=1465

SudokuME
- Open source Sudoku game for any Java enabled phone. Includes downloads, a game manual and user forums.
- http://smmj.sourceforge.net/sudoku/

DKM Sudoku Online
- Play online puzzles at one of four difficulty levels. Also includes a solver program and hints. Software for Pocket PC and Windows also available.
- http://www.dkmsoftware.com/Sudoku/

Sudoku Solver
- .NET solving program. Either offers hints or solves entire puzzle.
- http://www.sudokusolver.net

Sudoko Solver by Logic
- JavaScript-based solver which attempts to complete grids by logic. Includes step-by-step description as well as suggesting a single move. Offers challenge to find new logical methods for "unsolvable" puzzles.
- http://www.sudokusolver.co.uk/

Sudoku Java Solver Applet by Klaas
- Java-based brute force solver. Displays animation of solution. Solves pre-defined puzzle or allows the user to enter his or her own puzzles.
- http://sudoku.klaas.nl/

Erational Sudoku Helper
- Flash application to assist in solving puzzles by using basic scanning techniques. Download and source code available.
- http://www.erational.org/software/sudoku/

Sudoku Sensei
- Open source application which describes the logic used to solve a grid, rather than using a simple brute force solution. Includes source code and samples. [Windows 95/98/NT/2000/XP, Linux]
- http://sourceforge.net/projects/sudoku-sensei/

Sudoku-Help
- Excel-based shareware helper application.
- http://www.sudoku-help.com/

Sudoku Dragon
- Shareware puzzle solver. Generate and solve puzzles, print out the grid for solving by hand, tips and tutorials with online discussion forums. [Windows XP/2000/Me/98]
- http://www.sudokudragon.com

Simple Sudoku
- Freeware puzzle creator for Windows.
- http://angusj.com/sudoku/

SadMan Software
- Offers shareware program that can use multiple techniques, with an emphasis on humanistic methods. Detailed explanation and illustration of basic and advanced solving techniques. Also download and purchase information.
- http://www.simes.clara.co.uk/programs/sudoku.htm