I do feel that save for, using the pure cheat like the LEXICAL WORD FINDER, most reasonable players can do better because PLACEMENT is more than half the problem.
These are just some of them -
LEXICAL WORD FINDER : You can enter the entire board and find the best word. Suuports Scrabble and WWF and their dictionarys. Pure Cheat.
Lists of 2 and 3 letter words : Word checker and word finder. Supports multiple blanks. Useful.
Check which words are allowed and disallowed in Scrabble games, wherever you are online.
CHAMBERS WORD WIZARD:
Complete awkward solutions in a crossword grid; if you know some of the letters, simply use ‘?’ in place of the missing letters, i.e. CR???W??D
Find out if a word has any anagrams
Find out if a word is allowable for Scrabble
WORD CHECK app: free application provides an English word look up through the well known on-line site, Wiktionary, where you can check for the meaning of words.
Comprehensive word checker and anagramfinder. Uses the word CHEAT in its publicity!