SoundGrail - SoundGrail Music App designed for pianists, guitarists, and DJs.
FontFace ninja - A browser extension to identify and try fonts on any website
Figure - Propellerhead creates world-class software products and services that inspire music makers and provide the foundation for a worldwide creative musical community.
What Font Is - Find any font from any image (commercial or free)
keezy - A colorful soundboard. Play with music.
Fontsnatcher - Fontsnatcher helps you in identifying, testing and discovering new fonts and typefaces being used on the internet.