SumoCue is a helper and solver for Killer and Jigsaw Sudokus.
If you like the Killer variant, but you're not really into all those calculations, you may find SumoCue a very useful tool. It keeps track of cage sums and digit combinations that are allowed.
Candidates are maintained by the program, but you can always intervene. It is one of the few programs that allows you to enter and solve Jigsaw Killer Sudokus.
