Yasminoku is a sudoku game, generator and solver created by Joan Alba Maldonado on 25th of July 2006 which has been now improved.
HoDoKu is a sudoku helper written in Java and available in English and German. Generate sudokus in five different and fully configurable difficulty levels. Solve them yourself (with help from HoDoKu's hint system) or let HoDoKu do it for you.Discontinued
The project seems to be no longer updated, but last version, 2.2.0, released in July 2012, it's fully working and can be still downloaded from the official website.
The developer marked this project as "no longer being actively maintained" on 2016-04-06, so you should rather use it's succesor Open Sudoku.Discontinued
The developer marked this project as "no longer being actively maintained" on 2016-04-06. See https://github.com/romario333/opensudoku
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. This program contains editor, solver and can create PDF.