Author's note:

SudoCue is one of the most popular Sudoku programs on the Web. The boring appearance can be replaced with several different styles. Hints are greatly improved with candidate and group highlighting. A very advanced solving technique, 3D Medusa coloring, has been added to the solver

Features:

Generates puzzles in 5 customizable difficulty levels.
Copy and paste sudoku puzzles in any popular format into the program
Opens puzzles directly from popular websites. No more retyping
A wide range of helper tools point your attention to the cells that matter and help you recognize patterns.
3 Sudoku variants supported: Sudoku-X, Windoku (NRC) and DG.
Comprehensive log, hints, step solver and DLX solver.
Solver knows every trick in the book, and more.

You decide which of the 50 solving techniques will be used.
Simple user interface, very easy to use.
Backed up by a website with online documentation, solving guide, daily puzzles and downloadable puzzle collections.

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