WikiWebWeaver is free software originally developed by Jean-Sébastien Rousseau-Piot
The software is written in PHP and required an HTTP server like Apache.
Official web site of the software is http://www.digi-sight.com/wikiwebweaver
You can distribute and/or modify WikiWebWeaver according the GNU General Public License (GPL) as it is published by the Free Software Foundation with its second release or any recent version of the license.
If you are a software developer, please contact the author to join the development team and the shared working area and participate to next releases.