wooord - Every day we have a new wooord for you.
Puzzlescript - Open Source HTML5 Puzzle Game Engine
isowords - Word search on a vanishing cube
63 - 63 is a race against the world.
Wordle - Guess the hidden word in 6 tries. A new puzzle is available each day. The official game.
Six Words - Inspired by Wordle - Six Words is a game that gives players 6 words to find every day.