Ocean beta - Make music with friends in your browser
SoundGrail - SoundGrail Music App designed for pianists, guitarists, and DJs.
iO-808 - Rhythm composer modeled after Roland's TR-808 drum machine.
Figure - Propellerhead creates world-class software products and services that inspire music makers and provide the foundation for a worldwide creative musical community.
Music Box Fun - Make and share music box songs online
keezy - A colorful soundboard. Play with music.