Lexica - An open source word-search game.
Simply Piano - Fast and fun way to learn piano
Words With Friends - Play Words With Friends Free, the #1 mobile word game, with both your Android and...
Melodics - Melodics is a desktop app that teaches you to play MIDI keyboards, pad controllers, and drums.
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!
Yousician - Learn to play music at home, at your own pace