* '''Features''': single- or multi-player anagramming game
* '''Developer''': [[Chris Grubb]]
* '''Systems''': Windows, Mac OS Xweb app
* '''Notes''': Licensed to use official word lists.
* '''Systems''': Android, Windows
* '''Notes''': Licensed, but not certified as a competitive word judge tool or game timer.
=== [https://www.seattlephysicstutor.com/plates.html License to Spell] ===
* '''Features''': single-player anagramming game
* '''Developer''': [[Chris Grubb]]
* '''Systems''': web app
* '''Notes''': Licensed to use official word lists.
=== [http://www.quackle.org Quackle] ===
* '''Features''': word game
* '''Developer''': [[Rob Johansen]]
* '''Systems''': web app
* '''Notes''': Licensed to use official word lists.
=== [https://www.seattlephysicstutor.com/tree.html Word Tree] ===
* '''Features''': word study
* '''Developer''': [[Chris Grubb]]
* '''Systems''': web app
* '''Notes''': Licensed to use official word lists.