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.
cryptopics, nonograms, griddlers, CrossPix, Pic-A-Pix, Japanese crossword, puzzle, logic, window art, Paint-By-Numbers,

 2)   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.
nonograms, puzzle, logic, game, Griddlers, Paint by Numbers, Japan Crossword, Puzzles,

 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.
Nonograms, Griddlers, Paint by numbers, Puzzle, Logic, Picross, Japanese puzzle, crosspix, beeldzoekers, crossword,

 4)   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.
Japanese Crosswords, griddlers, nonograms, paint-by-numbers, delphin, delphinatomic, cubes, games, logic, delphinatomic,