https://rdrr.io/cran/crossword.r/
crossword.r: Generating Crosswords from Word Lists version 0.3.6 from CRAN
Generate crosswords from a list of words.
word lists
https://inkwellxwords.com/
Inkwell X Words - Honest Talk About Crosswords, Word Games, and the Strange Joy of Solving Things...
Honest Talk About Crosswords, Word Games, and the Strange Joy of Solving Things With Pencils
https://www.wordgamescentral.com/
Online Word Games: Crosswords & Guessword | Wordgamescentral.com
Play fun and challenging online word games at Wordgamescentral.com. Solve daily crosswords and test your vocabulary with Guessword, our addictive word puzzle.
word gamesonlinecrosswords
https://www.puzzledepot.com/
PuzzleDepot.com — Free Crosswords, Sudoku, Word Search & Brain Games Since 1995
45,000+ free online puzzles
https://derekknox.com/work/crossyword/
Crossy Word - Crosswords Reimagined
Crossy Word is Crossword Puzzles Reimagined. Enjoy 500 Puzzles on iOS and Android.
crossywordreimagined