MyBB Community Forums

http://www.phpforumscript.com/forum/

No, seriously.
Why would anyone use that piece of junk?

They shoud probably have developed it more before releasing it - to deter the LOLs XD

Gotta start somewhere.

yep, but you would have thought they would have developed it a little bit more before releasing it

Looks more like an outdated Basic Bulletin Board/Guest book to me.
EDIT: However, they did stay true to their words:Simple. Free. Open source

And is their homepage a weblog software? Doesn't show much effort being put into the project at all, more like rushing it out before it should be done.

Don't hate.

http://n3rd.info/forum/

It's not that bad. It just needs some styling.

(2010-06-24, 10:11 AM)faviouz Wrote: [ -> ]It's not that bad. It just needs some styling.

This.

I use this on occasion.

http://mylittleforum.net/

mylittleforum is really nice - if you're looking for something simplistic. It all depends on your requirements... Twitter is simplistic too and look what a huge success it is.