What Font Is - Find any font from any image (commercial or free)
Radium - Radium is a music editor with a new type of interface.
AMP Font Viewer - Jump to Download - Download.
Keezy Drummer - Make a beat in seconds
Font Viewer - Font Viewer is an application which does exactly that - it views fonts!
BlokDust - Join blocks together to build sounds with this web-based music making app.