What is the best free web-based forum software?

[mosdef]

For example, like FuseTalk (but I think FuseTalk isn't free).

-mosdef

 

[Pepsi90919]

remotely hosted, i'd have to say ezboard.

if you're hosting it, phpbb.

 

[Soybomb]

If you're going to run on a *nix system I liked psunami. Its availble from freshmeat.