PH Builds a Puzzle - A realtime, collaborative jigsaw puzzle.
Jigidi - Free online jigsaw puzzles. Hundreds of new jigsaw puzzles every day created by users from all around the world.
Dood : The Puzzle Planet - A strategy puzzle game for the smart ones
Jigsaw Planet - Free Online Jigsaw Puzzles
63 - 63 is a race against the world.
Daily Jigsaw Puzzles - Daily jigsaw puzzles - a new online jigsaw puzzle added daily. Thousands of free jigsaw puzzle games for PCs and tablets, suitable for both kids and adults alike.