- Bio Puzzles - Offers biology and natural history themed puzzles. Several free samples to download.
- Celebrity Crossword Puzzle Books - 48 themed puzzles about actors, writers and other famous people.
- Lace 2 - Crossword dictionary with over 230,000 words and phrases, including specialized lists. Available for purchase.
- Lovatts Crosswords and Puzzles - Leading Australian publishers of crossword magazines. Play online samples or subscribe.
- Merl Reagle's Sunday Crosswords - Sunday puzzles from the San Francisco Examiner available for purchase.
- Names Names Names - An alphabetical listing of proper names taken from actual crossword puzzles. Available for purchase.
- Puzzle Buffs International - Featuring books on many different styles of crosswords and solving dictionaries.
- Puzzle People - Offers books and monthly magazine subscriptions with standard, cryptic, clueless, and trivia crosswords.