FL Studio Mobile - Create & save multi-track music projects on a smartphone
Audulus - A universe of sound at your fingertips - Audulus is a modular music processing app
Splice Beat Maker - Make and share beats in your browser
Figure - Propellerhead creates world-class software products and services that inspire music makers and provide the foundation for a worldwide creative musical community.
Type Drummer - Drum by typing
Blocs Wave - A free audio app for creating music loops.