Sudoku game with numbers, letters or colors. Board size can be from 4 to 20 (default size is 9). You can play many variants - Killer, Greater Than, Consecutive, Odd/Even, Diagonal, Samurai and their combinations, too.
Crossword Builder is java program for creating crosswords. It can create, fill and export crosswords in pdf format. It's very fast. Supports different input languages.
Sudokumat is a software that allows to easily create and solve sudokus of different levels of difficulty. It is possible to create your own "pdf-sudoku-book" with as many sudokus as you want. Every sudoku is solved within milliseconds.
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