bbPress is the new forum software from the folks who created WordPress.
It is bound to be great. On the homepage they make five commitments:
1. Open Source, always and forever
2. Less (code) is more
3. Simplicity is a feature
4. Speed and security are the foundation of any good user experience
5. Put the user first
And I do believe in it. When I get some time, I’ll put it to use here, or somewhere.