Sudoku Explainer Java (Swing) GUI explains how to solve Sudokus
A free and open source sudoku game for addicts to newbies
Platform independent browser based Sudoku solver
C source for a fast backtracking Sudoku solver.
A Sudoku puzzle game
Sudoku! Help to solve puzzles. Solve them for you. Generate puzzles.
C# Sudoku solver that uses human techniques; no brute-forcing.
Sudoku games and puzzle solver
Solve 9x9 Sudoku Puzzles Using A Command Line Utility
Janet Sudoku - Java Android .NET Sudoku Generator & Solver library
Sudokuki is a free graphical SUDOKU game
Tiny Linux desktop distribution in just 14 MB
Sudoku web game
Browser sudoku game