- The name Xanadu and the Flaming-X symbol are software and service trademarks of Project Xanadu, registered in certain countries and claimed elsewhere. What is Xanadu The Xanadu Australia formal problem definition is: We need a way for people to store information not as individual files but as a connected literature. It must be possible to create, access and manipulate this literature of richly ...www.xanadu.com.au