IPB is off the shelf:
As many of you might already know, Invision Power board is no longer free.
As of Sep 27 2004, Matt Mecham removed the trial downloads from the IPS homepage without notice. Full Article Here.
But this one's going to hit him like a ton of bricks:
"Yes, we're pushing our paid services harder, but we're still offering a free product that is fully functional. This has always been our vision and it's not going to change. "They" said 1.1 wouldn't be free, it was. "They" said 1.2 wouldn't be free, it was. "They" said 1.3 wouldn't be free, it was. "They" say 2.0 won't be free - and it will be." -Matt Mecham