Designer and developer, Kyle Stetz, created this instrument for creating ascii beats. They might be useful for creating hiphop tracks - based on what you type into the input box. Use student names, school names, teams, projects and other text to create interesting beats.
Hookpad is a free web app that simplifies songwriting by helping you choose chords that sound good together and guiding you to write a good melody. It's a musical sketchpad with music theory "built-in" to make it easier and more intuitive to find the sound you're looking for.
Isle of Tune is music sequencer where users build compositions visually using houses, roads, plants and cars. Can be used to reinforce a range of musical concepts.