WhiteSmoke - Improve Your English
A revolutionary new English technology that upgrades a basic sentence into a more sophisticated, professional sentence!- WhiteSmoke replaces existing language tools (dictionary, thesaurus and other online tools) and enable you to write more improved English.
Let the Web Decide
This site checks if your spelling is correct by checking out occurences in search engines. Interesting concept.
Dictionary.com
An excellent and well-organised dictionary site.
Dictionary/thesaurus
An excellent verbal resource.
Thesaurus.com
An excellent resource. Contains a thesaurus as well as a dictionary.
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