Absolutely! In fact we've pre-installed it for you.
Phpbb is free, open source software for running a forum. Phpbb runs on MySQL, so you can use any of our plans to run your very own forum on your website using this exciting, highly-rated software!
For more information, go to the phpbb home site, at http://www.phpbb.com
NOTE: You are required to keep phpbb and any php program up-to-date on your serverspace to esure the server stays as secure as possible. Over time, outdated php programs can create holes in the server's security putting you, All Web Now and all other users on the server as well as the web at risk.