http://www.eastgate.com/tinderbox/
A HyperText tool, notes manager, WebLog publisher and hopefully soon WikiBrowser.
But maybe you were thinking of MozillaTinderbox.
I'm using a demo of Tinderbox on my MacOsx machine and I'm finding it interesting...
It's a pretty good (but not outstanding) tool that does the following:
I found it good also, but not as intuitive as I would like.---LKS