Keezy Drummer - Make a beat in seconds
FontFace ninja - A browser extension to identify and try fonts on any website
BlokDust - Join blocks together to build sounds with this web-based music making app.
What Font Is - Find any font from any image (commercial or free)
FL Studio Mobile - Create & save multi-track music projects on a smartphone
Fontsnatcher - Fontsnatcher helps you in identifying, testing and discovering new fonts and typefaces being used on the internet.