1)
World of CryptoPics 1.4
CryptoPics (or Nonograms/Griddlers) are logic puzzles in which the aim is to reveal a hidden picture from the number clues.
Play picture puzzles, random puzzles, puzzles created from image files and the unique Challenge Mode. Includes Editor. 2)
Japan Crossword Editor 1.21.2.0
User-friendly and powerful editor of Japan crosswords enables to draw and come out crosswords by own means, import files-pictures into crossword as well as export into pictures, protect saved files with crosswords by a password. 3)
NonoGrid 1.0.1
NonoGrid is a puzzle game that lets you play and solve nonograms/griddlers on your computer. Nonograms are logic puzzles, in which you need to uncover a picture consisting of black and white squares. 4)
Japan Riddles 1.54
Japan Riddles is a computer variant of popular puzzles known as Nonograms,
Griddlers, Paint by Numbers or Japan Crossword Puzzles. Goal is to draw a
picture discovering what cells to paint based on numbers on the left and top of
the picture.