Puzzles

Jigsaws

• Unidragon - Wooden Jigsaw Puzzles and Maps

• Wentworth Wooden Puzzles

Websites

• Aha! Puzzles

• Couples

• Brainzilla

• KrazyDad - Printable Puzzles

• Puzzlip

• SmartHome (Hacker News thread)

• ZebraPuzzles.com