OzSpellerSave
Provides free Australian online spelling tutor and game with spoken words, hints, dictionary, and sentence prompts. Includes keyboard game and typing tutor. http://www.ozspeller.com
Scripps National Spelling BeeSave
Includes weekly literature-based word activities, a listing of local spelling bees, the history of the national (American) event, rules, and answers to frequently asked questions. http://www.spellingbee.com/