Dizkus, formerly pnForum, is a fully integrated forum module for the Zikula/Postnuke.
It uses smarty-based pnRender templates, the Zikula-API and permission system.
Originally based on phpBB 1.4 there is not a single line of original code left over as it is a more or less total rewrite.
These details are provided for information only. No information here is legal advice and should not be used as such.