pnWikka is a Wiki module for PostNuke forked from WikkaWiki and completely rewritten to comply with the PostNuke API. Written in PHP, it uses MySQL to store pages and many available technologies provided by PostNuke (API, Smarty, etc). Released under the GPL license. pnWikka is the engine running behind the official PostNuke documentation.
These details are provided for information only. No information here is legal advice and should not be used as such.