We, at
Forum One, are intimately familiar with the various diagramming tools out there. We also regularly discuss which tools work best cross-platform (our company is split between PC & Mac users).
There are many out there, most IAs and UI designers are partial to their tool. I'm a
Visio and
Omnigraffle user myself and while I like the tools, I see opportunities in both.
My colleagues have dabbled in other applications including
InDesign and
ConceptDraw.
A few not-so-new newbies I thought worth mentioning are:
For a more complete list, visit
IAWiki's list.
Have your own favorite? Tell me about it.