Distractions Puzzle Magazine - A magazine written by Princeton University students, and published four times per year. Contains online puzzles, and conundrums. Subscriptions available. - http://www.princeton.edu/~distract/
Free Daily Jigsaw Puzzle - Information, resources and online archive of free jigsaw puzzles. - http://www.freedailyjigsawpuzzles.com
Jigsaw Puzzle Tournament.us - Organizes American and International tournaments. - http://www.jigsawpuzzletournament.com/