Ratings for bbPress is a WordPress plugin that adds compatibility between Rating Manager and bbPress plugins.
Rating Manager utilizes SVG image technology and it allows you to modify rating form icons easily without any graphical editor. Basically Rating Manager plugin offers unlimited rating options. Rich snippets for enhanced SEO features, comment rating, comprehensive statistics, feedback form and more functions and features available.
Features
Enables ratings for bbPress topics.
Enables ratings for bbPress replies.
Enables rating statistics for rated topics and replies.
Adds user rating (average and other data).
Note: This plugin can’t work stand-alone and it requires Rating Manager plugin and bbPress plugin to be installed
More info: https://wordpress.org/plugins/ratings-for-bbpress/