Wow. Reading this, you'd think putting an OpenSource license on something puts your entire institution at incredible risk of horrific destruction. Somebody tell the GraphViz staff, stat! Watch out, before you put an OpenSource license in place -- you can't release something OpenSource, if you don't also build a community, and then make a board for it..!
Project with enthusiasm and cheer, design remeniscent of STOS and other early game development kits, makes encouraging use of diagrams, talks in plain language, is powerful, but in a soft and disarming sort of way. In short, this project incarnates the idea that programming is fun.