FoxType Thesaurus - Visualize similar words for _____
Crosswords Arena - Word game, multiplayer and computer players
Silicon Valley Dictionary - Urban dictionary meets Silicon Valley
Tanglet - Tanglet is a single player word finding game based on Boggle.
Vocalibrary - Pick up new words with everything you read. Improve your vocabulary with auto-generated flashcards.
Word Domination - Word Domination is a fast paced and addictive real-time word game.