Griddlers Deluxe
- http://www.puzzlehome.com
- Software to play black-and-white and color pictures, as well as an editor to create custom grids. Shareware. [Windows 95/98/ME/2000/XP]
Griddlers.net
- http://www.griddlers.net/
- Offers member-created puzzles ranging in complexity from two to eight colors for online play or to print out. Free registration required.
Online Tsunami
- http://www.playtsunami.com/
- Create, edit, and play Japanese Tsunami puzzles in black and white or color. Includes playable puzzles created by others, hints, and solutions.