Marble/MarblesSecrets
< Marble
Marble's Secrets
A good introduction to get started is:
Marble's Secrets Part I: Behind the Scenes of Marble...
http://www.kdedevelopers.org/node/3269
Marble's Secrets Part II - Walking In The Shoes Of Slartibartfast ...
http://www.kdedevelopers.org/node/3272
Marble's Secrets Part III: The Earth in a Download