Sampulator - Make (and record) beats on your keyboard
Visualify - Visualize your top artists on Spotify
Splice Beat Maker - Make and share beats in your browser
SYQEL - Bring your music to life
BlokDust - Join blocks together to build sounds with this web-based music making app.
Kaleidosync - Kaleidosync is an all-in-one Spotify music visualizer that is all set to deliver a top-notch music experience with real-time support.