Ruuttu

This is a tiny plugin that simply re-enables breadcrumbs for BuddyPress group forums. Enable the plugin, enable the breadcrumbs. Simple.
Make sure you’re using the latest BuddyPress and bbPress.

Group Forum Crumbs

Dwenaus

This plugin allows you to change any BuddyPress group into an announce-only group, where only admins and moderators can post. Members can read all the content but they cannot add anything. The Forum has been renamed to ‘Announcements’.

BuddyPress Announce Group

This plugin allows you to change any BuddyPress group into an announce-only group, where only admins and moderators can post.

Group Forum Crumbs vs BuddyPress Announce Group