HoDoKu
HoDoKu is a sudoku helper written in Java and available in English and German.
4 Alternatives To HoDoKu
Color
Generate, visualize, and document accessible color palettes
OpenSudoku
OpenSudoku is an open source sudoku game.
Yasminoku
Sudoku game and solver totally written in DHTML.
nsudoku
A Sudoku game made with ncurses.