The Lila theme is a community project, originally created by Daniel G. Taylor and members of the Gentoo Linux community.
The theme is based around SVG graphics - which means they can be scaled to any size without loss of quality - and is meant to be usable across different desktops and platforms.
For more information about the Lila theme project or to see how you could get involved, there are a few places to look:
This site was set up and adapted by Christopher R. Parr (aka fosstux), also based on the original web site design by Doug Whiteley (aka rezza).
Anything found on these sites, including the website itself, is Copyright 2004-2006 Lila Community unless stated differently and available under the GNU General Public License and the GNU Free Documentation License respectively.
The forum has been set up with FUDforum, while this site itself is running with DokuWiki, both of which are Free Software.