[The smoothest forum package][link] you’ll find right now [hits version 2.0][announce] (finally). I missed this when it happened on July 21st, but better late than never.
[link]: http://vanillaforums.org/ “Vanilla – Free, Open-Source Forum Software”
[announce]: http://vanillaforums.org/blog/vanilla-2-released/ “Vanilla 2 is announced on the blog”