Crossword Construction Kit The Desktop Publisher for Crosswords. Features the ability to make puzzles in fun shapes (diamonds, doughnuts, and trains). [Windows]
Puzzle Express Puzzle playing shareware software, including crosswords, fill ins, coded crosswords, word search puzzles and logic puzzles.
Crossworks Crossword puzzle software with the full Merriam-Webster Crossword Puzzle Dictionary.
Cruciverbalist For the Macintosh, by West Pole Software. Contains documentation and information.
Crossword Weaver Make crossword puzzles using your words. Two styles of puzzles. Multiple puzzles from the same list. Different difficulty levels. (Windows.)