1)   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.

 2)   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.

 3)   The Jcwd - Japanese Puzzles 3.5
The Jcwd is the logic game for solving single and multicolor Japanese puzzles also known as Paint by Numbers, Griddlers, Nonograms or Japanese Crosswords. There are simple and pretty dificult puzzles in the Japanese Puzzles Collection (440 puzzles).