A Java-based Sudoku helper is available for free!
One of the best features of HoDoKu is its ability to generate sudokus in five different difficulty levels. Whether you're just starting out or you're a seasoned Sudoku veteran, you'll be able to find a puzzle that's right for you. The puzzles are also fully configurable, so you can adjust them to your liking.
Once you have a puzzle in hand, you can choose whether to solve it on your own or with the help of HoDoKu's hint system. HoDoKu supports a wide variety of human-style solving techniques, such as subsets, fish, and chains, so you'll be able to find a solution no matter what your level of expertise.
One of HoDoKu's most impressive features is its powerful Sudoku analyzer. With this tool, you can view all available solution steps for a given state and adjust your solution accordingly. You can even manage multiple solutions for a single puzzle and save your solutions to disk.
Overall, HoDoKu is an excellent tool for anyone who loves Sudoku. It's feature-rich, configurable, and easy to use, making it one of the best Sudoku helpers available today.
Version 1.2.4: N/A