Make Your Own Music Software with Pure Data

Not too many years ago, musicians with more passion than money thought nothing of building their own hardware. In fact, you can still do it if you want. (Check out PAiA for some time-tested DIY music hardware kits.) But now that the world is inundated with massively engineered gadgets such as cell phones and shirt-pocket computers, fewer musicians are satisfied with the limitations of home-brew hardware…

http://digitalmedia.oreilly.com/2005/04/27/pd.html