3 links
Free PostNuke Hosting at MobyNuke
mobynuke.net
Free PostNuke webhosting. Features include blogging, photo galleries, and forums [Meant for community sites].
Maximum Development
sourceforge.net
Project that is working toward integration of Postnuke/eNvolution/Oscommerce for managing E-Commerce, E-Learning, intranet, Workflow, ERP, hotels admin [Open Source, GPL].