POWER BOARD
Invision Power Board is a an award-winning forum software and communications portal. Members can subscribe to topics and be notified when someone replies to that thread, send each other private messages, view statistics, and perform several other options. Moderators will be pleased to find a powerful administration control panel that includes the abilities to open, close, lock / unlock (pin/unpin), move, delete topics as well edit and delete individual posts. Invision Power Board is written in PHP and requires that you install a MySQL database. Further instructions on how to use Invision Power Board can be found within the program's help section after it is installed.

There is full documentation for this utility in under your control panel icon.