HuMuS (the Human Music Surface) is an integrated environment for (real-time) sequencing and composition. Based on the WiSeSLAp widget set and other existing technologies. Visit our trac wiki for more information: http://sourceforge.net/apps/trac/humus/
BUZZle means Buzz Logic Enhanced and has neither to to with Buzzle.com or the Buzzle-Game.
BUZZle is a free (non-commercial) modular music composing and sequencing tool. It is a completely re-written version of the famous Jeskola Buzz.
What can compete with hierarchical file structures and class/inheritance schemes if not networking organic type/form languages, with its own graphical and DOS compatible OS? This initiative always moves fast ahead, and in an enlightened way... GNU GPL