triqtraq - Are you a DJ or electronic music producer?
Figure - Propellerhead creates world-class software products and services that inspire music makers and provide the foundation for a worldwide creative musical community.
keezy - A colorful soundboard. Play with music.
Wavepot - Wavepot is addictive music or beats maker platform that offers a live-coding environment for creating sound and music.
Splice - Music creation, collaboration, and sharing made simple.
Audulus - A universe of sound at your fingertips - Audulus is a modular music processing app