Demo is here: https://forums.webwiz.net/
Its ASP based software. (Microsoft servers)
I used it until 2005 when my board was getting too big for it and I moved it to vbulletin 3. That move was a massive improvement. In 2017 I moved my big board to XenForo.
So my experience is pretty outdated. Oddly enough it doesn't look very different compared to 15 years ago. I would not consider WWF for any project.