This add-on plugin for bbPress will allow anonymous users to subscribe to topics and get email notifications when a new reply is posted. The notification email includes an unsubscribe link.
bbPress notifications will keep to go out to registered users, this plugin only extends the thing to anonymous posters as well!
Easily calculate and handle authors’ pay on a multi-author blog by computing posts’ remuneration basing on admin defined rules. The administrator can specify criteria upon which payments should be computed and the stats will immediately be viewable. Both a general view with all users and a specific one for a author are possible. It can easily help you implement a revenue sharing/paid to write model for your business.