Sgl-Editor is a project mainly written in Java, based on the View license.
A storyboard editor for osu!
osbe is a storyboard editor and generator for osu! Storyboard Files (.osb)
See this video for a quick demonstration of a storyboard, generated by SGL: http://www.youtube.com/watch?v=KNIznjDLUGY
You can gain more Information at the project's Wiki: https://github.com/MoonShade/osbe/wiki/Introduction
This project is independent from osu! and Dean Herbert.