NWEA Assessments - NWEA Assessments creates a personalized assessment experience by adapting to each student's learning level.
Hum - Songwriting for iPhone
ALEKS - ALEKS is a web-based artificially intelligent assessment and learning system that uses adaptive questioning to accurately determine exactly student knows.
Songcraft.io - A platform for songwriters to write, organize & collaborate.
iSpring QuizMaker - iSpring Quiz Maker is easy-to-use quiz software. Create interactive quizzes and surveys in HTML5 & Flash and embed them in a website or publish for any LMS!
RiffShare - Write down a musical riff, send to band members, collaborate