Lexigram Crossword Solver - Crossword solver which uses a large dictionary to find words and phrases which match a given length or pattern. - http://www.lexigram.net/crossword-solver/
Crosskit.com - Contains a free online crossword dictionary for US style crosswords. - http://www.crosskit.com/index.php?dict
Onelook - Primarily a dictionary site but also has the ability to do wildcard searches on the words it knows about. - http://www.onelook.com
itanda Crossword Word Search - Instant solutions to anagrams and wildcard searches based on the UK Advanced Cryptics directory. - http://dictionary.amcd.co.uk/crossword.php
Instant Crossword Tools - Simple but effective anagram solver and letter pattern finder. - http://www.chaucery.com/fun/crossword/
xword dictionary - Searchable American clue database of 220 000 entries. Also contains letter pattern searcher. - http://www.xworddictionary.com/
Datrys - A word pattern searcher and anagram solver for Nokia Series 60 phones. - http://www.shadowplay.ltd.uk/datrys.html
FindTheWord.info - An online word pattern searcher. Includes searches for partial words, anagrams, palindromes, words in word, word bridges. - http://www.findtheword.info
Crossword Tools - A web-based collection of crossword (and wordplay) related tools. Includes a crossword clue analyser, an anagram solver and generator and a letter pattern searcher. - http://www.crosswordtools.com/
Allwords.com - Used to solve clues. - http://www.allwords.com/solver.php
Crossword Star - Digital solving aid and dictionary available for purchase. - http://www.crosswordstar.com/
Crossword Puzzle Guide - Lists of common crossword answers, biblical names and mythological figures organized by word length. - http://www.infoplease.com/ipa/A0001806.html
Crossword Dictionary - Searchable online puzzle solver. Contains more than 235,000 entries, including names and movie titles. - http://www.crossword-dictionary.com/
One Across - Search by clues, word lengths, or partial words with wildcards. - http://www.oneacross.com/
CrosswordCheats.com - Site offering partial word search assistance. - http://www.crosswordcheats.com
Crossword Solver - Online word and anagram finder that uses the UK Advanced Cryptics Dictionary. - http://www.petebevin.com/crosswords/
Chris F.A. Johson's WordFinder - Completes words with missing letters, finds word with the same beginning or end, and finds anagrams of words and common phrases. Also allows search by word and phrase length. - http://cfaj.freeshell.org/wordfinder
Richard's Crossword Tools - Find partial words based on grid and clues. - http://www.rtaylor.co.uk/crossword/
Crossinary - Crossword dictionary tool for download on a PC. - http://www.hackcraft.net/code/crossinary/
Crossword Helper - Partial word search with a separate proper name list. - http://raru.adelaide.edu.au/craig/wow.html