Best Kakuro (Mac version)
Try Best Kakuro for the best Kakuro puzzles. Best Kakuro creates Kakuro puzzles in 5 difficulty levels from easy to killer, and grid sizes ranging from 8x8 to 14x18. Print the puzzles, or solve them on screen using either your mouse or keyboard. All puzzles have a guaranteed unique solution and... Possible combinations are shown for each square while solving on screen.
http://www.BestKakuro.com/BestKakuroDemo.dmg - 1Mb - Download - Screenshot

Best Kakuro
Try Best Kakuro for the best Kakuro puzzles. Best Kakuro creates Kakuro puzzles in 6 difficulty levels from novice to killer, and grid sizes ranging from 8x8 to 14x22. Print the puzzles, or solve them on screen using either your mouse or keyboard. All puzzles have a guaranteed unique solution... Additional features include timer mode, load and save puzzles, batch print for creating multiple puzzles, manual entry of puzzles from other sources, and more. ... Possible combinations are shown for each square while solving on screen.
http://www.BestKakuro.com/bestkakurodemo.exe - 637Kb - Download - Screenshot

Kakuro Cross Sums Puzzle
Kakuro Cross Sums is the puzzle world's best-kept secret. Called Cross Sums in the USA, Kakuro in the UK, and Kakro in Japan, it? s a fun, entertaining and highly addictive number puzzle game that will challenge and perplex you. The rules are simple, but completing a puzzle takes practice and... Features: An almost unlimited supply of Kakuro Cross Sums. ... Journal of all successful Kakuro Cross Sums completed. ... Play unlimited Kakuro Cross Sums on your PC with our easy to use software - you'll never want to go back to using paper and pencil!
http://www.kakuropuzzle.com/KakuroCrossSums.exe - 2Mb - Download - Screenshot

Amigos Cross Sums
Cross Sums puzzles, also known as Kakuro puzzles, are challenging yet fun and easy to learn. More addictive than Sudoku - try Kakuro puzzles and see for yourself. Create an unlimited number of Cross Sums puzzles with Amigos Cross Sums. All puzzles have a unique solution. ... Examples, solving hints and techniques are included in the program. ... Possible values for each combination are shown at the click of your mouse. ... Print the puzzles or solve them on screen. ... Choose from 5 difficulty levels and 4 grid sizes.
http://www.AmigosSoftware.com/AXDemoInstall.exe - 665Kb - Download - Screenshot