GridSound is a work-in-progress open-source digital audio workstation developed with HTML5 and more precisely with the new Web Audio API. You can use the application directly on gridsound.com/daw it's also possible to create an online account here gridsound.com to save your compositions online and share them with friends.
Click to load some compositions : Isvara's test • Still D.R.E. • key.gain/pan • FireStone