Recently active topics in PBwiki tagged with php

There are a couple of tools I would like to see as service to be able to incorporate directly into a wiki. One is a simple bulletin board feature (like PHPBB), the other is a time managment utility like ActiTime http://www.actitime.com/

Thes would greatly enhance the ability to use the wiki real time for project management. This would expand the ability to use the wiki service