"In his QuakeCon 2005 keynote, John Carmack revealed that after
some delays id is finally ready to release the complete Quake III
source code for use under the terms of the GPL. He could not give
an exact date, but was confident that this would occur 'within a
week.' Currently id is making sure everything is licensed correctly
and everything builds, and as soon as that is complete the whole
package will be set free..."