Here is the list of people and projects which can potentially collaborate on the Online Publishing House and improve Print on Demand (POD) functionality.

Poiesipedia

"Poiesipedia is a free, internet-based collaborative encyclopedia aimed at creating fictional as opposed to factual content."
http://poiesipedia.com/

WritingTravellers

"Open source travel guidebooks written by a community of travellers and locals. Available under a Creative Commons Attribution-ShareAlike 3.0 License and as personalized guidebooks in PDF and in print: up-to-date and tailor-made."
http://writingtravellers.com

Tiki2EPUB

"tool for creating an ePub-ready archive from a live Tiki site."
http://sourceforge.net/projects/tiki2epub/

Tiki for Smarties and Tiki Essentials

Popular books made from collaborative content (Tiki wiki pages)at http://twbasics.keycontent.org/ and http://twessentials.keycontent.org/

Business Plans

Tiki community Dogfood