Puzzle House
Free puzzles of varying difficulty. You can solve them online (Shockwave) or buy the actual puzzles. Also offers 3D puzzles, Photomosaics, CD Jigsaw games, and more.
American Jigsaw Puzzle Society
On-line organization for jigsaw puzzle enthusiasts. History, manufacturers, and links to other sites. Free membership.
BlackDog's Jigsaw Puzzles
A small selection of interactive puzzles with Christmas themes. Suitable for younger solvers.
Bits and Pieces
Play online. Choose easy (less than 20 pieces) or hard (less than 40 pieces). Note: Interlockng pieces need to overlap quite a bit in order to 'lock'. Also, take care not to 'lose' the last piece underneath the completed section.
Custom Puzzle Craft
Jigsaw puzzles, custom crafted in wood. Choose one from the gallery or use your own print or electronic image. Online email order form.
Jigsaw Puzzles By You!
From Billy Bear 4 Kids, these interactive jigsaws are simple enough for children but the applet can be frustrating (very jumpy).
Jigsaws Galore
Program to play/create jigsaw puzzles. Evaluation version comes with 10 sample puzzles. Windows only
Jigsaws To Order
Puzzles made from your photos, children's drawings, etc. Available in a variety of shapes, sizes, and number of pieces.
Jigzone.com
Free online jigsaw puzzles with degrees of difficulty from 6 to 240 pieces. Large selection of pictures. Nice.
MGC's Wooden Jigsaw Puzzles
Custom made fine quality puzzles. Includes an interesting history of jigsaw puzzles.
Shockwave Jigsaw Puzzles
A daily jigsaw puzzle to solve online. Choose easy, medium or hard. Pieces may be rotated if you want more of a challenge. Requires the free Shockwave plug-in.
Jigsaw Land
This may be called Jigsaw Land but it's no walk in the park. I find solving this style of square-cut puzzle pieces is quite frustrating and offers very little entertainment value.