Free visualization software

[David Ball]

	One other point to consider is that if someone, whether it was done in
government or outside of it, has gone to the trouble to create some
visualization software, it may be because no-one in the private sector
has stepped up to the plate to create something like it yet. No-one
likes to reinvent the wheel - at least wise people don't - and for
anyone to create something unnecessary is a real waste of time.
Clearly, there was/is a need for this kind of thing. 
	As far as the commercial software goes, I think many companies are
seeing the writing on the wall. When IBM takes Data Explorer (DX), one
of the slickest visualization packages around, and hands the source
code over to the development community it tells me that something is
going on...

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	David Ball