skribbl - Word guessing based on drawing.
Lexica - An open source word-search game.
LetsDraw.It - Guess and Draw, Drawing Battle, Pictionary, Copy picture - online drawing games where you can compare your skill with others.
Quackle - Open-source word game similar to Scrabble. Features a board editor, analysis tools, and artificial intelligence that rivals the best players in the world!
gartic.io - Draw, guess, and win!
Words With Friends - Play Words With Friends Free, the #1 mobile word game, with both your Android and...