Discovery Education's Puzzlemaker
Provides teachers, students, and parents, the tools necessary to create crossword, puzzles, word search puzzles, mazes and more online!
http://puzzlemaker.discoveryeducation.com/

Free Puzzles
Offers educational and recreational puzzles for teachers, students and parents. Features over 1000 puzzles including Geometry, Logic, Math, Misc, Weight and Moves categories. Every puzzle has an image, hint and solution. Be a member for puzzle solutions.
http://www.freepuzzles.com/