HoDoKu supports many more human style solving techniques than most other programs available (singles, subsets, LCs, fish, wings, uniqueness, coloring, chains, ALS; for details see "solving techniques"). All steps can be highlighted on the grid which makes HoDoKu a great tool for learning as well.【Sudoku Explainer】,用于分析标准数独难度及产生标准数独题目。本软件的难度分析评分极具权威性。【SudoCue】,功能强大,免费。还可以生成多种变形数独。