FolioVision

Features:
<ul>
<li>Guest posting – any forum posts posted with a known email address get associated to the WP user, any posts with a new email address get a new user account. Enable in Tools -> FV BBPress Tweaks.</li>
<li>Forum moderation – any new forum posts or topics get into moderation. Only admins and the original posters can see the pending posts. Enable in Settings -> FV bbPress Tweaks.</li>
<li>Nicer permalinks – get rid of /support/topic/{topic-slug} /support/forum/{forum-name} and start using hierarchical /support/{forum-name}/{sub-forum-name}/{topic-slug} structure!</li>
</ul>
Known bugs:
<ul>
<li>You can open the topic editing from front-end for pending topics</li>
<li>When you delete a reply, the pending replies no longer appear, just open the topic again with its original URL</li>
</ul>

FV bbPress Tweaks

Adds moderation and pretty URL structure to your bbPress forums.

A plugin to remove all pending comments from your DB in one click. A useful tool if you’ve been heavily spammed or have not managed your blog for a while and would just like a fresh start for your comments. Note that this will not modify any previous that are not marked as unapproved.

Bulk Comment Remove

A plugin to remove all pending comments from your DB in one click.

FV bbPress Tweaks vs Bulk Comment Remove