CentralNotice Project Looking Glass From Wikipedia, the free encyclopedia Jump to: navigation , search For the airplane, see Operation Looking Glass . For the United States Postal Service sting operation, see Jacobson v. United States . Project Looking Glass Demonstrating existing 2D applications and a 3D CD selector demo application are coexisting inside the 3D desktop environment Developer(s) LG3D developers Initial release 2003 ; 11 years ago ( 2003 ) Stable release 1.0.1 / January 29, 2007 ( 2007-01-29 ) Development status Inactive Written in Java Operating system Windows , Linux , Solaris Type Desktop environment License GNU General Public License Website java.net/projects/lg3d Project Looking Glass is a now inactive free software project under the GPL to create an innovative 3D desktop environment for Linux , Solaris ,...