Here is powerful, useful, feature-rich, public feedback app.
Why don't you give a try.
1) It's free
2) Feature-rich with social engagement
3) Topics revolve around your products and are more linked with tags.
4) Moderation tools
5) SEO friendly urls
6) Company news and much more...
Try heed user and evaluate yourself:
Sample Community:: https://www.heeduser.com/community/heeduser
Thanks
https://www.heeduser.com