ZED OS is a portuguese Linuxbased distribution (remaster of Ubuntu Mate). It was designed for users who want an innovative system. With both 3D and 2D interfaces you'll be able to chosse the better one according to your hardware/needs.
It's Web Based and inspired in Windows XP from Microsoft
OpenSource 3D Engine for Flash MX 2004: Create 3D applications using the builtin DataCube object and put your data as dynamic 3D Models into a virtual universe. Then let the viewer navigate the camera interactively through your data universe.