Just type in Google with quotes. "Powered by FluxBB" http://www.google.com/search?q=%22Powered+by+FluxBB%22&btnG=Search&hl=en&client=firefox-a&hs=dCz&rls=org.mozilla%3Aen-US%3Aofficial&sa=2 Spam Wisely. Enjoy
Mate all the site powered by fluxbb are dofollow.The search query will show all the sites powered by fluxbb.And the best thing about fluxbb is that you dont nee to register to post.
that's right. all forums need a login to go inside. Maybe each page inside the forum is dofolow but google bots can reach them to indexing, right?