For buzzers not in the know:
New Buzz Clone Here: http://www.batman.no/buze/ I think it's safe to plug this now, as the project has gained a buzzlib license.
... The modern day buzz modular studio is hacks upon hacks upon hacks and yet there's no other tracking/production software that approaches it in my opinion. Am I just being closed-minded? Maybe I should start considering using expensive, hyped, do-it-all-for-you software.
Beast, pd, psycle, you say? Well... maybe another day.
klipf
Another plug:
YAWF (Yet Another Web Framework),
Tang: http://www.inomial.com.au/tang/index.html