Pippin Williamson

This add-on plugin for bbPress will allow you to place forum-wide notices for alerting your users to important information, such as delayed response times, operating hours, new features, etc.
If you have suggestions or bugfixes for the plugin, please report them on <a href="https://github.com/pippinsplugins/bbPress-Notices" rel="nofollow ugc">Github</a>.

bbPress – Notices

An extension for bbPress to easily show notices at the top of all forum pages.

Sunny Ratilal

This is a simple extension that allows forum admins and editors to leave notes on topic replies. If you run a support forum, or any other community forum, this is a great way for forum moderators to communicate privately between each other in relation to the replies.

bbPress – Admin Notes

A simple plugin to enable admins/editors to leave notes on bbPress topic replies.

bbPress – Notices vs bbPress – Admin Notes