KRFT!

SunVox is a small, fast and powerful modular synthesizer with pattern based sequencer (tracker). It is a tool for those people who like to compose music wherever they are, whenever they wish. On any device. SunVox is available for desktop PC (Windows, Linux, Mac OS X), pocket computers (Windows Mobile, PalmOS, Maemo, iOS, Android) and netbooks.

BlokDust is a web-based music making app. By joining blocks together, you can build synthesizers, put effects on your voice, remix & manipulate samples and arrange self-playing musical environments.

ROLI NOISE is a modular music instrument and studio in one. Designed for extended use with ROLI BLOCKS hardware, the tool is made for beginners and professionals alike.